diff --git a/.eslintrc.js b/.eslintrc.js
new file mode 100644
index 0000000..acc93a0
--- /dev/null
+++ b/.eslintrc.js
@@ -0,0 +1,14 @@
+module.exports = {
+  env: {
+    browser: true,
+    es2021: true
+  },
+  extends: [
+    'standard'
+  ],
+  parserOptions: {
+    ecmaVersion: 'latest'
+  },
+  rules: {
+  }
+}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b62a147..8466fcb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,24 +9,16 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: [ 3.5, 3.6, 3.7 ]
+        python: [ "3.6", "3.7", "3.8", "3.9", "3.10" ]
     steps:
-      - uses: actions/checkout@v2
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
-        with:
-          python-version: ${{ matrix.python }}
-      - name: Install dependencies
-        run: pip install tox tox-gh-actions
-      - name: Run tests
-        run: tox
-      - name: Coverage
-        if: ${{ matrix.python == 3.7 }}
-        run: |
-          pip install coverage[toml] django==2.0
-          coverage run manage.py test --settings=test_settings
-      - name: Upload coverage
-        if: ${{ matrix.python == 3.7 }}
-        uses: codecov/codecov-action@v1
-        with:
-          name: Python ${{ matrix.python }}
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install tox tox-gh-actions
+    - name: Test with tox
+      run: tox
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..dfc86c3
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,17 @@
+name: lint
+
+on:
+    push:
+        branches:
+            - "*"
+    pull_request:
+        branches:
+            - "*"
+
+jobs:
+    pre-commit:
+        runs-on: ubuntu-latest
+        steps:
+        - uses: actions/checkout@v3
+        - uses: actions/setup-python@v3
+        - uses: pre-commit/action@v3.0.0
diff --git a/.gitignore b/.gitignore
index 60ae115..546d446 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,11 @@
 dist/
 env/
 demo/__pycache__/
+demo/build/
 *.sqlite3
+.direnv/
+node_modules/
+.envrc
+package.json
+package-lock.json
+.tox/
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..d2b46ee
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,91 @@
+default_language_version:
+  python: python3.10
+repos:
+  - repo: https://github.com/psf/black
+    rev: 22.3.0
+    hooks:
+      - id: black
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.1.0
+    hooks:
+      - id: check-ast
+      - id: check-merge-conflict
+      - id: check-case-conflict
+      - id: detect-private-key
+      - id: check-added-large-files
+      - id: check-json
+      - id: check-symlinks
+      - id: check-toml
+      - id: end-of-file-fixer
+      - id: trailing-whitespace
+      - id: mixed-line-ending
+        args: [--fix=lf]
+  - repo: https://github.com/asottile/reorder_python_imports
+    rev: v3.0.1
+    hooks:
+      - id: reorder-python-imports
+        args:
+          - --py3-plus
+          - --application-directories=.:src
+        exclude: migrations/
+  - repo: https://github.com/pre-commit/pygrep-hooks
+    rev: v1.9.0
+    hooks:
+      - id: python-check-blanket-noqa
+      - id: python-check-mock-methods
+      - id: python-no-eval
+      - id: python-no-log-warn
+      - id: rst-backticks
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v2.31.1
+    hooks:
+      - id: pyupgrade
+        args:
+          - --py310-plus
+        exclude: migrations/
+  - repo: https://github.com/adamchainz/django-upgrade
+    rev: 1.4.0
+    hooks:
+      - id: django-upgrade
+        args:
+          - --target-version=4.0
+  - repo: https://github.com/asottile/yesqa
+    rev: v1.3.0
+    hooks:
+      -   id: yesqa
+  - repo: https://github.com/asottile/add-trailing-comma
+    rev: v2.2.2
+    hooks:
+      -   id: add-trailing-comma
+          args:
+            - --py36-plus
+  - repo: https://github.com/hadialqattan/pycln
+    rev: v1.2.5
+    hooks:
+      -   id: pycln
+  - repo: https://github.com/pycqa/flake8
+    rev: 4.0.1
+    hooks:
+      - id: flake8
+        exclude: |
+          (?x)^(
+              .*/migrations/.*
+          )$
+        additional_dependencies:
+          - flake8-bugbear
+          - flake8-comprehensions
+          - flake8-tidy-imports
+          - flake8-print
+        args: [--max-line-length=120]
+  - repo: https://github.com/pre-commit/mirrors-eslint
+    rev: v8.25.0
+    hooks:
+      - id: eslint
+        args: [--fix]
+        additional_dependencies:
+        - "eslint@8.25.0"
+        - "eslint-plugin-prettier@4.2.1"
+        - "eslint-config-standard@17.0.0"
+        - "eslint-plugin-import@2.26.0"
+        - "eslint-plugin-n@15.3.0"
+        - "eslint-plugin-promise@6.1.0"
diff --git a/LICENCE b/LICENCE
index 8d53d77..6c3c8df 100644
--- a/LICENCE
+++ b/LICENCE
@@ -28,4 +28,4 @@ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\ No newline at end of file
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/README.rst b/README.rst
index 44b9cea..a5bce60 100644
--- a/README.rst
+++ b/README.rst
@@ -6,7 +6,7 @@ To run the demo project for testing::
 
     $ git clone git://github.com/jojax/django-js-error-hook.git
     $ cd django-js-error-hook
-    $ virtualenv env --python=python3
+    $ python -m venv env
     $ source env/bin/activate
     (env) $ pip install -e .
     (env) $ pip install -e demo
@@ -92,7 +92,10 @@ Then install the urls::
 
 In your template, simply add the js_error_hook script::
 
-    <script type="text/javascript" src="{% url 'js-error-handler-js' %}"></script>
+    <script type="text/javascript">
+        var djangoJSErrorHandlerUrl = "{% url 'js-error-handler' %}";
+    </script>
+    <script type="text/javascript" defer src="{% static 'django_js_error_hook/utils.js' %}"></script>
 
 Now every JavaScript error will be logged in your logging error stream. (Mail, Sentry, ...)
 
@@ -106,4 +109,3 @@ against various versions of Python and Django:
 
     pip install tox
     tox
-
diff --git a/demo/demoproject/manage.py b/demo/demoproject/manage.py
index ae1ab0e..fb4635b 100755
--- a/demo/demoproject/manage.py
+++ b/demo/demoproject/manage.py
@@ -11,7 +11,7 @@ def main():
         raise ImportError(
             "Couldn't import Django. Are you sure it's installed and "
             "available on your PYTHONPATH environment variable? Did you "
-            "forget to activate a virtual environment?"
+            "forget to activate a virtual environment?",
         ) from exc
     execute_from_command_line(sys.argv)
 
diff --git a/demo/demoproject/settings.py b/demo/demoproject/settings.py
index 911862e..94711f7 100644
--- a/demo/demoproject/settings.py
+++ b/demo/demoproject/settings.py
@@ -1,6 +1,8 @@
 # Django settings for demo project.
-from os.path import abspath, dirname, join
-demoproject_dir = dirname(abspath(__file__))
+from os.path import dirname
+from os.path import join
+
+demoproject_dir = dirname(__file__)
 
 DEBUG = True
 
@@ -11,21 +13,21 @@
 MANAGERS = ADMINS
 
 DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': 'test.sqlite3',
-    }
+    "default": {
+        "ENGINE": "django.db.backends.sqlite3",
+        "NAME": "test.sqlite3",
+    },
 }
 
 # Local time zone for this installation. Choices can be found here:
 # http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
 # although not all choices may be available on all operating systems.
 # In a Windows environment this must be set to your system time zone.
-TIME_ZONE = 'America/Chicago'
+TIME_ZONE = "America/Chicago"
 
 # Language code for this installation. All choices can be found here:
 # http://www.i18nguy.com/unicode/language-identifiers.html
-LANGUAGE_CODE = 'en-us'
+LANGUAGE_CODE = "en-us"
 
 SITE_ID = 1
 
@@ -42,22 +44,22 @@
 
 # Absolute filesystem path to the directory that will hold user-uploaded files.
 # Example: "/home/media/media.lawrence.com/media/"
-MEDIA_ROOT = ''
+MEDIA_ROOT = ""
 
 # URL that handles the media served from MEDIA_ROOT. Make sure to use a
 # trailing slash.
 # Examples: "http://media.lawrence.com/media/", "http://example.com/media/"
-MEDIA_URL = ''
+MEDIA_URL = ""
 
 # Absolute path to the directory static files should be collected to.
 # Don't put anything in this directory yourself; store your static files
 # in apps' "static/" subdirectories and in STATICFILES_DIRS.
 # Example: "/home/media/media.lawrence.com/static/"
-STATIC_ROOT = ''
+STATIC_ROOT = ""
 
 # URL prefix for static files.
 # Example: "http://media.lawrence.com/static/"
-STATIC_URL = '/static/'
+STATIC_URL = "/static/"
 
 # Additional locations of static files
 STATICFILES_DIRS = (
@@ -69,46 +71,44 @@
 # List of finder classes that know how to find static files in
 # various locations.
 STATICFILES_FINDERS = (
-    'django.contrib.staticfiles.finders.FileSystemFinder',
-    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
+    "django.contrib.staticfiles.finders.FileSystemFinder",
+    "django.contrib.staticfiles.finders.AppDirectoriesFinder",
 )
 
 # Make this unique, and don't share it with anybody.
-SECRET_KEY = 'k9i055*z@6@9$7xvyw(8y4sk_w0@1ltf2$y-^zu^&amp;wnlt1oez5'
+SECRET_KEY = "k9i055*z@6@9$7xvyw(8y4sk_w0@1ltf2$y-^zu^&amp;wnlt1oez5"
 
 TEMPLATES = [
     {
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'APP_DIRS': True,
-        'DIRS': (
-            join(demoproject_dir, 'templates'),
-        )
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "APP_DIRS": True,
+        "DIRS": (join(demoproject_dir, "templates"),),
     },
 ]
 
 MIDDLEWARE = (
-    'django.middleware.common.CommonMiddleware',
-    'django.contrib.sessions.middleware.SessionMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
-    'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.messages.middleware.MessageMiddleware',
+    "django.middleware.common.CommonMiddleware",
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
     # Uncomment the next line for simple clickjacking protection:
     # 'django.middleware.clickjacking.XFrameOptionsMiddleware',
 )
 
-ROOT_URLCONF = 'demoproject.urls'
+ROOT_URLCONF = "demoproject.urls"
 
 # Python dotted path to the WSGI application used by Django's runserver.
-WSGI_APPLICATION = 'demoproject.wsgi.application'
+WSGI_APPLICATION = "demoproject.wsgi.application"
 
 INSTALLED_APPS = (
-    'django.contrib.auth',
-    'django.contrib.contenttypes',
-    'django.contrib.sessions',
-    'django.contrib.sites',
-    'django.contrib.messages',
-    'django.contrib.staticfiles',
-    'django_js_error_hook',
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.sites",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    "django_js_error_hook",
     # Uncomment the next line to enable the admin:
     # 'django.contrib.admin',
     # Uncomment the next line to enable admin documentation:
@@ -123,43 +123,37 @@
 # See http://docs.djangoproject.com/en/dev/topics/logging for
 # more details on how to customize your logging configuration.
 LOGGING = {
-    'version': 1,
-    'disable_existing_loggers': False,
-    'filters': {
-        'require_debug_false': {
-            '()': 'django.utils.log.RequireDebugFalse'
-        }
-    },
-    'formatters': {
-        'verbose': {
-            'format': '%(levelname)s %(asctime)s %(module)s %(process)d %(thread)d %(message)s'
-        },
-        'simple': {
-            'format': '\033[22;32m%(levelname)s\033[0;0m %(message)s'
+    "version": 1,
+    "disable_existing_loggers": False,
+    "filters": {"require_debug_false": {"()": "django.utils.log.RequireDebugFalse"}},
+    "formatters": {
+        "verbose": {
+            "format": "%(levelname)s %(asctime)s %(module)s %(process)d %(thread)d %(message)s",
         },
+        "simple": {"format": "\033[22;32m%(levelname)s\033[0;0m %(message)s"},
     },
-    'handlers': {
-        'mail_admins': {
-            'level': 'ERROR',
-            'filters': ['require_debug_false'],
-            'class': 'django.utils.log.AdminEmailHandler'
+    "handlers": {
+        "mail_admins": {
+            "level": "ERROR",
+            "filters": ["require_debug_false"],
+            "class": "django.utils.log.AdminEmailHandler",
+        },
+        "console": {
+            "level": "DEBUG",
+            "class": "logging.StreamHandler",
+            "formatter": "simple",
         },
-        'console': {
-            'level': 'DEBUG',
-            'class': 'logging.StreamHandler',
-            'formatter': 'simple'
-            },
     },
-    'loggers': {
-        'django.request': {
-            'handlers': ['mail_admins'],
-            'level': 'ERROR',
-            'propagate': True,
+    "loggers": {
+        "django.request": {
+            "handlers": ["mail_admins"],
+            "level": "ERROR",
+            "propagate": True,
         },
-        'javascript_error': {
-            'handlers': ['mail_admins', 'console'],
-            'level': 'ERROR',
-            'propagate': True,
+        "javascript_error": {
+            "handlers": ["mail_admins", "console"],
+            "level": "ERROR",
+            "propagate": True,
         },
-    }
+    },
 }
diff --git a/demo/demoproject/tests/__init__.py b/demo/demoproject/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/demo/demoproject/tests/helpers.py b/demo/demoproject/tests/helpers.py
new file mode 100644
index 0000000..5384976
--- /dev/null
+++ b/demo/demoproject/tests/helpers.py
@@ -0,0 +1,75 @@
+import logging
+import os
+
+from django.contrib.staticfiles.testing import StaticLiveServerTestCase
+from django.core.servers.basehttp import WSGIRequestHandler
+from django.core.servers.basehttp import WSGIServer
+from django.test.testcases import LiveServerThread
+from selenium import webdriver
+from selenium.webdriver.chrome.service import Service as ChromiumService
+from webdriver_manager.chrome import ChromeDriverManager
+from webdriver_manager.core.utils import ChromeType
+
+
+logger = logging.getLogger(__name__)
+
+
+class VerboseLiveServerTestCase(StaticLiveServerTestCase):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+    @classmethod
+    def setUpClass(cls):
+        options = webdriver.ChromeOptions()
+        if os.getenv("CI"):
+            # Github Actions
+            options.binary_location = "/usr/bin/google-chrome-stable"
+            options.add_argument("--headless")
+            options.add_argument("--window-size=1920,1080")
+            options.add_argument("--disable-gpu")
+            cls.wait_time = 20
+        else:
+            # Ubuntu Desktop, etc.
+            cls.wait_time = 6
+        cls.driver = webdriver.Chrome(
+            service=ChromiumService(
+                ChromeDriverManager(chrome_type=ChromeType.GOOGLE).install(),
+            ),
+            options=options,
+        )
+        cls.driver.implicitly_wait(cls.wait_time)
+        super().setUpClass()
+
+    def tearDown(self):
+        # Source: https://stackoverflow.com/a/39606065
+        if hasattr(self._outcome, "errors"):
+            # Python 3.4 - 3.10  (These two methods have no side effects)
+            result = self.defaultTestResult()
+            self._feedErrorsToResult(result, self._outcome.errors)
+        else:
+            # Python 3.11+
+            result = self._outcome.result
+        ok = all(test != self for test, text in result.errors + result.failures)
+        if not ok:
+            if not os.path.exists("screenshots"):
+                os.makedirs("screenshots")
+            screenshotfile = f"screenshots/{self._testMethodName}.png"
+            logger.info(f"Saving {screenshotfile}")
+            self.driver.save_screenshot(screenshotfile)
+        return super().tearDown()
+
+    @classmethod
+    def tearDownClass(cls):
+        cls.driver.quit()
+        super().tearDownClass()
+
+    class VersboseLiveServerThread(LiveServerThread):
+        def _create_server(self):
+            WSGIRequestHandler.handle = WSGIRequestHandler.handle_one_request
+            return WSGIServer(
+                (self.host, self.port),
+                WSGIRequestHandler,
+                allow_reuse_address=False,
+            )
+
+    server_thread_class = VersboseLiveServerThread
diff --git a/demo/demoproject/tests/test_backend.py b/demo/demoproject/tests/test_backend.py
new file mode 100644
index 0000000..f5ae9bc
--- /dev/null
+++ b/demo/demoproject/tests/test_backend.py
@@ -0,0 +1,20 @@
+from django.test import TestCase
+from django.urls import reverse
+
+
+class BackendTestCase(TestCase):
+    """Test project views."""
+
+    def test_error_handler_view(self):
+        """A POST should log the error"""
+        response = self.client.post(
+            reverse("js-error-handler"),
+            {
+                "context": (
+                    "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 "
+                    "(KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36"
+                ),
+                "details": "Description of the error by the browser javascript engine.",
+            },
+        )
+        self.assertEqual(response.status_code, 200)
diff --git a/demo/demoproject/tests/test_frontend.py b/demo/demoproject/tests/test_frontend.py
new file mode 100644
index 0000000..f844bbc
--- /dev/null
+++ b/demo/demoproject/tests/test_frontend.py
@@ -0,0 +1,10 @@
+import time
+
+from .helpers import VerboseLiveServerTestCase
+
+
+class InteractionTest(VerboseLiveServerTestCase):
+    def test_error_in_browser(self):
+        self.driver.maximize_window()
+        self.driver.get(self.live_server_url + "/")
+        time.sleep(1000)
diff --git a/demo/demoproject/urls.py b/demo/demoproject/urls.py
index d4e445e..84282a3 100644
--- a/demo/demoproject/urls.py
+++ b/demo/demoproject/urls.py
@@ -1,7 +1,8 @@
-from django.conf.urls import include, url
+from django.urls import include
+from django.urls import path
 from django.views.generic import TemplateView
 
 urlpatterns = [
-    url('^$', TemplateView.as_view(template_name="error_test.html")),
-    url('^error_hook/', include('django_js_error_hook.urls')),
+    path("", TemplateView.as_view(template_name="error_test.html")),
+    path("error_hook/", include("django_js_error_hook.urls")),
 ]
diff --git a/demo/demoproject/wsgi.py b/demo/demoproject/wsgi.py
index 9c101ed..3cc6f83 100644
--- a/demo/demoproject/wsgi.py
+++ b/demo/demoproject/wsgi.py
@@ -14,6 +14,7 @@
 
 """
 import os
+
 from django.core.wsgi import get_wsgi_application
 
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "settings")
diff --git a/demo/setup.py b/demo/setup.py
index 41ad75f..ec2db97 100644
--- a/demo/setup.py
+++ b/demo/setup.py
@@ -1,4 +1,5 @@
 import os
+
 from setuptools import setup
 
 
@@ -9,33 +10,36 @@ def read_relative_file(filename):
         return f.read()
 
 
-NAME = 'django-js-error-hook-demo'
-README = read_relative_file('README')
+NAME = "django-js-error-hook-demo"
+README = read_relative_file("README")
 VERSION = 0.1
-PACKAGES = ['demoproject']
-REQUIRES = ['django-js-error-hook']
+PACKAGES = ["demoproject", "demoproject.tests"]
+REQUIRES = ["django-js-error-hook"]
 
 
-setup(name=NAME,
-      version=VERSION,
-      description='Demo project for django-js-error-hook.',
-      long_description=README,
-      classifiers=['Development Status :: 1 - Planning',
-                   'License :: OSI Approved :: BSD License',
-                   'Programming Language :: Python :: 2.7',
-                   'Programming Language :: Python :: 2.6',
-                   'Framework :: Django'],
-      keywords='class-based view, generic view, js error hooking',
-      author='Jonathan Dorival',
-      author_email='jonathan.dorival@novapost.fr',
-      url='https://github.com/jojax/%s' % NAME,
-      license='BSD',
-      packages=PACKAGES,
-      include_package_data=True,
-      zip_safe=False,
-      install_requires=REQUIRES,
-      entry_points={
-          'console_scripts': [
-              'demo = demoproject.manage:main',
-          ]
-      })
+setup(
+    name=NAME,
+    version=VERSION,
+    description="Demo project for django-js-error-hook.",
+    long_description=README,
+    classifiers=[
+        "Development Status :: 1 - Planning",
+        "License :: OSI Approved :: BSD License",
+        "Programming Language :: Python :: 3",
+        "Framework :: Django",
+    ],
+    keywords="class-based view, generic view, js error hooking",
+    author="Jonathan Dorival",
+    author_email="jonathan.dorival@novapost.fr",
+    url="https://github.com/jojax/%s" % NAME,
+    license="BSD",
+    packages=PACKAGES,
+    include_package_data=True,
+    zip_safe=False,
+    install_requires=REQUIRES,
+    entry_points={
+        "console_scripts": [
+            "demo = demoproject.manage:main",
+        ],
+    },
+)
diff --git a/demo/test_requirements.txt b/demo/test_requirements.txt
new file mode 100644
index 0000000..d3280eb
--- /dev/null
+++ b/demo/test_requirements.txt
@@ -0,0 +1,2 @@
+selenium
+webdriver-manager
diff --git a/django_js_error_hook/static/django_js_error_hook/utils.js b/django_js_error_hook/static/django_js_error_hook/utils.js
new file mode 100644
index 0000000..1c55f9d
--- /dev/null
+++ b/django_js_error_hook/static/django_js_error_hook/utils.js
@@ -0,0 +1,60 @@
+(function () {
+  function getCookie (name) {
+    const nameEQ = name + '='
+    const ca = document.cookie.split(';')
+    for (let i = 0; i < ca.length; i++) {
+      let c = ca[i]
+      while (c.charAt(0) === ' ') c = c.substring(1, c.length)
+      if (c.indexOf(nameEQ) === 0) return c.substring(nameEQ.length, c.length)
+    }
+    return null
+  }
+
+  function logError (details) {
+    const xhr = new XMLHttpRequest()
+
+    xhr.open('POST', window.djangoJSErrorHandlerUrl, true)
+    xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded')
+    const cookie = getCookie('csrftoken')
+    if (cookie) {
+      xhr.setRequestHeader('X-CSRFToken', cookie)
+    }
+    const query = []
+    const data = {
+      context: navigator.userAgent,
+      details
+    }
+    for (const key in data) {
+      query.push(encodeURIComponent(key) + '=' + encodeURIComponent(data[key]))
+    }
+    xhr.send(query.join('&'))
+  }
+
+  window.onerror = function (msg, url, lineNumber, columnNumber, errorObj) {
+    let logMessage = url + ': ' + lineNumber + ': ' + msg
+    if (columnNumber) {
+      logMessage += ', ' + columnNumber
+    }
+    if (errorObj && errorObj.stack) {
+      logMessage += ', ' + errorObj.stack
+    }
+    logError(logMessage)
+  }
+
+  if (window.addEventListener) {
+    window.addEventListener('unhandledrejection', function (rejection) {
+      let logMessage = rejection.type
+      if (rejection.reason) {
+        if (rejection.reason.message) {
+          logMessage += ', ' + rejection.reason.message
+        } else {
+          logMessage += ', ' + JSON.stringify(rejection.reason)
+        }
+        if (rejection.reason.stack) {
+          logMessage += ', ' + rejection.reason.stack
+        }
+      }
+      logError(logMessage)
+    })
+  }
+})()
diff --git a/django_js_error_hook/templates/django_js_error_hook/utils.js b/django_js_error_hook/templates/django_js_error_hook/utils.js
deleted file mode 100644
index eca72ed..0000000
--- a/django_js_error_hook/templates/django_js_error_hook/utils.js
+++ /dev/null
@@ -1,58 +0,0 @@
-(function() {
-	function getCookie(name) {
-		var nameEQ = name + "=";
-		var ca = document.cookie.split(';');
-		for(var i=0;i < ca.length;i++) {
-			var c = ca[i];
-			while (c.charAt(0)==' ') c = c.substring(1,c.length);
-			if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
-		}
-		return null;
-	}
-	function logError(details) {
-		var xhr = new XMLHttpRequest();
-
-		xhr.open("POST", "{% url 'js-error-handler' %}", true);
-		xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
-		var cookie = getCookie('csrftoken');
-		if (cookie) {
-			xhr.setRequestHeader("X-CSRFToken", cookie);
-		}
-		var query = [], data = {
-			context: navigator.userAgent,
-			details: details
-		};
-		for (var key in data) {
-			query.push(encodeURIComponent(key) + '=' + encodeURIComponent(data[key]));
-		}
-		xhr.send(query.join('&'));
-	}
-
-	window.onerror = function(msg, url, line_number, column_number, error_obj) {
-		var log_message = url + ': ' + line_number + ': ' + msg;
-		if (column_number) {
-			log_message += ", " + column_number;
-		}
-		if (error_obj && error_obj.stack) {
-			log_message += ", " + error_obj.stack;
-		}
-		logError(log_message);
-	};
-
-	if (window.addEventListener) {
-		window.addEventListener('unhandledrejection', function(rejection) {
-			var log_message = rejection.type;
-			if (rejection.reason) {
-				if (rejection.reason.message) {
-					log_message += ", " + rejection.reason.message;
-				} else {
-					log_message += ", " + JSON.stringify(rejection.reason);
-				}
-				if (rejection.reason.stack) {
-					log_message += ", " + rejection.reason.stack;
-				}
-			}
-			logError(log_message);
-		})
-	}
-})();
diff --git a/django_js_error_hook/tests.py b/django_js_error_hook/tests.py
deleted file mode 100644
index cda5e89..0000000
--- a/django_js_error_hook/tests.py
+++ /dev/null
@@ -1,16 +0,0 @@
-import unittest
-from django.test import TestCase
-from django.urls import reverse
-
-class JSErrorHookTestCase(TestCase):
-    """Test project views."""
-
-    @unittest.skip('Noticed test fails as part of the github-actions PR - this needs fixing in a separate ticket.')
-    def test_error_handler_view(self):
-        """A POST should log the error"""
-        response = self.client.post(reverse('js-error-handler'), {"details": "Description of the error by the browser javascript engine."})
-        self.assertEqual(response.status_code, 200)
-
-    def test_error_js_utils_view(self):
-        response = self.client.get(reverse('js-error-handler-js'))
-        self.assertEqual(response.status_code, 200)
diff --git a/django_js_error_hook/urls.py b/django_js_error_hook/urls.py
index a336fe9..ca8ca40 100644
--- a/django_js_error_hook/urls.py
+++ b/django_js_error_hook/urls.py
@@ -1,8 +1,8 @@
 from django.urls import re_path
-from .views import js_error_view, utils_js
+
+from .views import js_error_view
 
 
 urlpatterns = [
     re_path("^$", js_error_view, name="js-error-handler"),
-    re_path("^utils.js$", utils_js, name="js-error-handler-js"),
 ]
diff --git a/django_js_error_hook/views.py b/django_js_error_hook/views.py
index c41619c..2cb7d8e 100644
--- a/django_js_error_hook/views.py
+++ b/django_js_error_hook/views.py
@@ -1,17 +1,18 @@
-from distutils.version import StrictVersion
+import logging
 
-from django import get_version
 from django.conf import settings
 from django.http import HttpResponse
-from django.views.decorators.cache import cache_page
 from django.views.decorators.csrf import csrf_exempt
-from django.views.generic import TemplateView, View
-import logging
+from django.views.generic import View
 
-ERROR_ID = getattr(settings, 'JAVASCRIPT_ERROR_ID', 'javascript_error')
-CSRF_EXEMPT = getattr(settings, 'JAVASCRIPT_ERROR_CSRF_EXEMPT', False)
-BLACKLIST_USERAGENT = getattr(settings, 'JAVASCRIPT_ERROR_USERAGENT_BLACKLIST', ['googlebot', 'bingbot'])
-BLACKLIST_ERRORS = getattr(settings, 'JAVASCRIPT_ERROR_BLACKLIST', [])
+ERROR_ID = getattr(settings, "JAVASCRIPT_ERROR_ID", "javascript_error")
+CSRF_EXEMPT = getattr(settings, "JAVASCRIPT_ERROR_CSRF_EXEMPT", False)
+BLACKLIST_USERAGENT = getattr(
+    settings,
+    "JAVASCRIPT_ERROR_USERAGENT_BLACKLIST",
+    ["googlebot", "bingbot"],
+)
+BLACKLIST_ERRORS = getattr(settings, "JAVASCRIPT_ERROR_BLACKLIST", [])
 
 logger = logging.getLogger(ERROR_ID)
 
@@ -22,48 +23,28 @@ class JSErrorHandlerView(View):
     def post(self, request):
         """Read POST data and log it as an JS error"""
         error_dict = request.POST.dict()
-        if hasattr(request, 'user'):
-            error_dict['user'] = request.user if request.user.is_authenticated else "<UNAUTHENTICATED>"
+        if hasattr(request, "user"):
+            error_dict["user"] = (
+                request.user if request.user.is_authenticated else "<UNAUTHENTICATED>"
+            )
         else:
-            error_dict['user'] = "<UNAUTHENTICATED>"
-         
+            error_dict["user"] = "<UNAUTHENTICATED>"
+
         level = logging.ERROR
-        if any(useragent in error_dict['context'].lower() for useragent in BLACKLIST_USERAGENT) or \
-                any(error in error_dict['details'].lower() for error in BLACKLIST_ERRORS):
+        if any(
+            useragent in error_dict["context"].lower()
+            for useragent in BLACKLIST_USERAGENT
+        ) or any(error in error_dict["details"].lower() for error in BLACKLIST_ERRORS):
             level = logging.WARNING
 
         logger.log(
             level,
-            "Got error: \n%s", '\n'.join("\t%s: %s" % (key, value) for key, value in error_dict.items()), 
-            extra={
-                'status_code': 500,
-                'request': request
-            }
+            "Got error: \n%s",
+            "\n".join(f"\t{key}: {value}" for key, value in error_dict.items()),
+            extra={"status_code": 500, "request": request},
         )
-        return HttpResponse('Error logged')
-
-
-class MimetypeTemplateView(TemplateView):
-    """TemplateView with mimetype override"""
-    template_name = "django_js_error_hook/utils.js"
-    mimetype = "text/javascript"
-
-    def render_to_response(self, context, **response_kwargs):
-        """
-            Before django 1.5 : 'mimetype'
-            From django 1.5 : 'content_type'
-
-            Add the parameter to return the right mimetype
-        """
-        if StrictVersion(get_version()) < StrictVersion('1.5'):
-            mimetype_parameter = 'mimetype'
-        else:
-            mimetype_parameter = 'content_type'
-
-        response_kwargs[mimetype_parameter] = self.mimetype
-        return super(MimetypeTemplateView, self).render_to_response(context, **response_kwargs)
+        return HttpResponse("Error logged")
 
-utils_js = cache_page(2 * 31 * 24 * 60 * 60)(MimetypeTemplateView.as_view()) #: Cache 2 months
 
 if CSRF_EXEMPT:
     js_error_view = csrf_exempt(JSErrorHandlerView.as_view())
diff --git a/manage.py b/manage.py
index 9a7d44a..171bd6a 100644
--- a/manage.py
+++ b/manage.py
@@ -10,6 +10,6 @@
         raise ImportError(
             "Couldn't import Django. Are you sure it's installed and "
             "available on your PYTHONPATH environment variable? Did you "
-            "forget to activate a virtual environment?"
+            "forget to activate a virtual environment?",
         ) from exc
     execute_from_command_line(sys.argv)
diff --git a/setup.py b/setup.py
index 4c38152..c2729f3 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
-# coding=utf-8
 """Python packaging."""
 import os
+
 from setuptools import setup
 
 
@@ -11,30 +11,31 @@ def read_relative_file(filename):
         return f.read()
 
 
-NAME = 'django-js-error-hook'
-README = read_relative_file('README.rst')
-VERSION = read_relative_file('VERSION').strip()
-PACKAGES = ['django_js_error_hook']
-REQUIRES = ['django>=1.10']
+NAME = "django-js-error-hook"
+README = read_relative_file("README.rst")
+VERSION = read_relative_file("VERSION").strip()
+PACKAGES = ["django_js_error_hook"]
+REQUIRES = ["django>=3.2.0"]
 
 
-setup(name=NAME,
-      version=VERSION,
-      description='Generic handler for hooking client side javascript error.',
-      long_description=README,
-      classifiers=['Development Status :: 1 - Planning',
-                   'License :: OSI Approved :: BSD License',
-                   'Programming Language :: Python :: 3.5',
-                   'Programming Language :: Python :: 2.7',
-                   'Framework :: Django',
-                   ],
-      keywords='class-based view, generic view, js error hooking',
-      author='Jonathan Dorival',
-      author_email='jonathan.dorival@novapost.fr',
-      url='https://github.com/jojax/%s' % NAME,
-      license='BSD',
-      packages=PACKAGES,
-      include_package_data=True,
-      zip_safe=False,
-      install_requires=REQUIRES,
-      )
+setup(
+    name=NAME,
+    version=VERSION,
+    description="Generic handler for hooking client side javascript error.",
+    long_description=README,
+    classifiers=[
+        "Development Status :: 1 - Planning",
+        "License :: OSI Approved :: BSD License",
+        "Programming Language :: Python :: 3",
+        "Framework :: Django",
+    ],
+    keywords="class-based view, generic view, js error hooking",
+    author="Jonathan Dorival",
+    author_email="jonathan.dorival@novapost.fr",
+    url="https://github.com/jojax/%s" % NAME,
+    license="BSD",
+    packages=PACKAGES,
+    include_package_data=True,
+    zip_safe=False,
+    install_requires=REQUIRES,
+)
diff --git a/test_settings.py b/test_settings.py
index 84fe59e..25a1372 100644
--- a/test_settings.py
+++ b/test_settings.py
@@ -1,6 +1,7 @@
 # Django settings for demoproject project.
-from os.path import abspath, dirname, join
-demoproject_dir = dirname(abspath(__file__))
+from os.path import dirname
+
+demoproject_dir = dirname(__file__)
 
 DEBUG = True
 
@@ -11,25 +12,25 @@
 MANAGERS = ADMINS
 
 DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.sqlite3', # Add 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'.
-        'NAME': 'test.sqlite3',                      # Or path to database file if using sqlite3.
-        'USER': '',                      # Not used with sqlite3.
-        'PASSWORD': '',                  # Not used with sqlite3.
-        'HOST': '',                      # Set to empty string for localhost. Not used with sqlite3.
-        'PORT': '',                      # Set to empty string for default. Not used with sqlite3.
-    }
+    "default": {
+        "ENGINE": "django.db.backends.sqlite3",  # Add 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'.
+        "NAME": "test.sqlite3",  # Or path to database file if using sqlite3.
+        "USER": "",  # Not used with sqlite3.
+        "PASSWORD": "",  # Not used with sqlite3.
+        "HOST": "",  # Set to empty string for localhost. Not used with sqlite3.
+        "PORT": "",  # Set to empty string for default. Not used with sqlite3.
+    },
 }
 
 # Local time zone for this installation. Choices can be found here:
 # http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
 # although not all choices may be available on all operating systems.
 # In a Windows environment this must be set to your system time zone.
-TIME_ZONE = 'America/Chicago'
+TIME_ZONE = "America/Chicago"
 
 # Language code for this installation. All choices can be found here:
 # http://www.i18nguy.com/unicode/language-identifiers.html
-LANGUAGE_CODE = 'en-us'
+LANGUAGE_CODE = "en-us"
 
 SITE_ID = 1
 
@@ -46,22 +47,22 @@
 
 # Absolute filesystem path to the directory that will hold user-uploaded files.
 # Example: "/home/media/media.lawrence.com/media/"
-MEDIA_ROOT = ''
+MEDIA_ROOT = ""
 
 # URL that handles the media served from MEDIA_ROOT. Make sure to use a
 # trailing slash.
 # Examples: "http://media.lawrence.com/media/", "http://example.com/media/"
-MEDIA_URL = ''
+MEDIA_URL = ""
 
 # Absolute path to the directory static files should be collected to.
 # Don't put anything in this directory yourself; store your static files
 # in apps' "static/" subdirectories and in STATICFILES_DIRS.
 # Example: "/home/media/media.lawrence.com/static/"
-STATIC_ROOT = ''
+STATIC_ROOT = ""
 
 # URL prefix for static files.
 # Example: "http://media.lawrence.com/static/"
-STATIC_URL = '/static/'
+STATIC_URL = "/static/"
 
 # Additional locations of static files
 STATICFILES_DIRS = (
@@ -73,44 +74,44 @@
 # List of finder classes that know how to find static files in
 # various locations.
 STATICFILES_FINDERS = (
-    'django.contrib.staticfiles.finders.FileSystemFinder',
-    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
-#    'django.contrib.staticfiles.finders.DefaultStorageFinder',
+    "django.contrib.staticfiles.finders.FileSystemFinder",
+    "django.contrib.staticfiles.finders.AppDirectoriesFinder",
+    #    'django.contrib.staticfiles.finders.DefaultStorageFinder',
 )
 
 # Make this unique, and don't share it with anybody.
-SECRET_KEY = 'k9i055*z@6@9$7xvyw(8y4sk_w0@1ltf2$y-^zu^&amp;wnlt1oez5'
+SECRET_KEY = "k9i055*z@6@9$7xvyw(8y4sk_w0@1ltf2$y-^zu^&amp;wnlt1oez5"
 
 TEMPLATES = [
     {
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'APP_DIRS': True,
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "APP_DIRS": True,
     },
 ]
 
 MIDDLEWARE = (
-    'django.middleware.common.CommonMiddleware',
-    'django.contrib.sessions.middleware.SessionMiddleware',
-    'django.middleware.csrf.CsrfViewMiddleware',
-    'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.messages.middleware.MessageMiddleware',
+    "django.middleware.common.CommonMiddleware",
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
     # Uncomment the next line for simple clickjacking protection:
     # 'django.middleware.clickjacking.XFrameOptionsMiddleware',
 )
 
-ROOT_URLCONF = 'django_js_error_hook.urls'
+ROOT_URLCONF = "django_js_error_hook.urls"
 
 # Python dotted path to the WSGI application used by Django's runserver.
-WSGI_APPLICATION = 'demoproject.wsgi.application'
+WSGI_APPLICATION = "demoproject.wsgi.application"
 
 INSTALLED_APPS = (
-    'django.contrib.auth',
-    'django.contrib.contenttypes',
-    'django.contrib.sessions',
-    'django.contrib.sites',
-    'django.contrib.messages',
-    'django.contrib.staticfiles',
-    'django_js_error_hook',
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.sites",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    "django_js_error_hook",
     # Uncomment the next line to enable the admin:
     # 'django.contrib.admin',
     # Uncomment the next line to enable admin documentation:
@@ -123,43 +124,37 @@
 # See http://docs.djangoproject.com/en/dev/topics/logging for
 # more details on how to customize your logging configuration.
 LOGGING = {
-    'version': 1,
-    'disable_existing_loggers': False,
-    'filters': {
-        'require_debug_false': {
-            '()': 'django.utils.log.RequireDebugFalse'
-        }
-    },
-    'formatters': {
-        'verbose': {
-            'format': '%(levelname)s %(asctime)s %(module)s %(process)d %(thread)d %(message)s'
-        },
-        'simple': {
-            'format': '\033[22;32m%(levelname)s\033[0;0m %(message)s'
+    "version": 1,
+    "disable_existing_loggers": False,
+    "filters": {"require_debug_false": {"()": "django.utils.log.RequireDebugFalse"}},
+    "formatters": {
+        "verbose": {
+            "format": "%(levelname)s %(asctime)s %(module)s %(process)d %(thread)d %(message)s",
         },
+        "simple": {"format": "\033[22;32m%(levelname)s\033[0;0m %(message)s"},
     },
-    'handlers': {
-        'mail_admins': {
-            'level': 'ERROR',
-            'filters': ['require_debug_false'],
-            'class': 'django.utils.log.AdminEmailHandler'
+    "handlers": {
+        "mail_admins": {
+            "level": "ERROR",
+            "filters": ["require_debug_false"],
+            "class": "django.utils.log.AdminEmailHandler",
+        },
+        "console": {
+            "level": "DEBUG",
+            "class": "logging.StreamHandler",
+            "formatter": "simple",
         },
-        'console': {
-            'level': 'DEBUG',
-            'class': 'logging.StreamHandler',
-            'formatter': 'simple'
-            },
     },
-    'loggers': {
-        'django.request': {
-            'handlers': ['mail_admins'],
-            'level': 'ERROR',
-            'propagate': True,
+    "loggers": {
+        "django.request": {
+            "handlers": ["mail_admins"],
+            "level": "ERROR",
+            "propagate": True,
         },
-     'javascript_error': {
-            'handlers': ['mail_admins', 'console'],
-            'level': 'ERROR',
-            'propagate': True,
+        "javascript_error": {
+            "handlers": ["mail_admins", "console"],
+            "level": "ERROR",
+            "propagate": True,
         },
-    }
+    },
 }
diff --git a/tox.ini b/tox.ini
index 2fcb234..76cf7de 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,19 +1,21 @@
 [tox]
 envlist =
-    py35-django110,
-    {py35,py36,py37}-django111,
-    {py35,py36,py37}-django20,
+    {py36,py37,py38,py39,py310}-django32,
+    {py38,py39,py310}-django40,
+    {py38,py39,py310}-django41,
 
 [testenv]
 deps=
-    django110: Django>=1.10,<1.11
-    django111: Django>=1.11,<2.0
-    django20: Django>=2.0,<2.1
+    django32: Django>=3.2.0,<4.0.0
+    django40: Django>=4.0.0,<4.1.0
+    django41: Django>=4.1.0,<4.2.0
 
 commands= python manage.py test --settings=test_settings
 
 [gh-actions]
 python =
-    3.5: py35
     3.6: py36
     3.7: py37
+    3.8: py38
+    3.9: py39
+    3.10: py310