diff --git a/api-reports/2_12.txt b/api-reports/2_12.txt
index 9be38550d..fc20a3f5d 100644
--- a/api-reports/2_12.txt
+++ b/api-reports/2_12.txt
@@ -24057,6 +24057,7 @@ SharedWorker[JC] var onerror: js.Function1[ErrorEvent, _]
 SharedWorker[JC] def port: MessagePort
 SharedWorker[JC] def removeEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], options: EventListenerOptions): Unit
 SharedWorker[JC] def removeEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], useCapture: Boolean?): Unit
+SharedWorker[SO]
 SharedWorkerGlobalScope[JO] def self: SharedWorkerGlobalScope
 SharedWorkerGlobalScope[JT] def addEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], options: EventListenerOptions): Unit
 SharedWorkerGlobalScope[JT] def addEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], useCapture: Boolean?): Unit
@@ -25351,6 +25352,12 @@ WorkerNavigator[JT] def onLine: Boolean
 WorkerNavigator[JT] def platform: String
 WorkerNavigator[JT] def sendBeacon(url: String, data: BodyInit?): Boolean  (@deprecated in 2.0.0)
 WorkerNavigator[JT] def userAgent: String
+WorkerOptions[JT] var credentials: js.UndefOr[RequestCredentials]
+WorkerOptions[JT] var name: js.UndefOr[String]
+WorkerOptions[JT] var `type`: js.UndefOr[WorkerType]
+WorkerType[JT]
+WorkerType[SO] val classic: WorkerType
+WorkerType[SO] val module: WorkerType
 WriteableState[JT]
 WriteableState[SO] val closed: WriteableState
 WriteableState[SO] val closing: WriteableState
diff --git a/api-reports/2_13.txt b/api-reports/2_13.txt
index 9be38550d..fc20a3f5d 100644
--- a/api-reports/2_13.txt
+++ b/api-reports/2_13.txt
@@ -24057,6 +24057,7 @@ SharedWorker[JC] var onerror: js.Function1[ErrorEvent, _]
 SharedWorker[JC] def port: MessagePort
 SharedWorker[JC] def removeEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], options: EventListenerOptions): Unit
 SharedWorker[JC] def removeEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], useCapture: Boolean?): Unit
+SharedWorker[SO]
 SharedWorkerGlobalScope[JO] def self: SharedWorkerGlobalScope
 SharedWorkerGlobalScope[JT] def addEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], options: EventListenerOptions): Unit
 SharedWorkerGlobalScope[JT] def addEventListener[T <: Event](`type`: String, listener: js.Function1[T, _], useCapture: Boolean?): Unit
@@ -25351,6 +25352,12 @@ WorkerNavigator[JT] def onLine: Boolean
 WorkerNavigator[JT] def platform: String
 WorkerNavigator[JT] def sendBeacon(url: String, data: BodyInit?): Boolean  (@deprecated in 2.0.0)
 WorkerNavigator[JT] def userAgent: String
+WorkerOptions[JT] var credentials: js.UndefOr[RequestCredentials]
+WorkerOptions[JT] var name: js.UndefOr[String]
+WorkerOptions[JT] var `type`: js.UndefOr[WorkerType]
+WorkerType[JT]
+WorkerType[SO] val classic: WorkerType
+WorkerType[SO] val module: WorkerType
 WriteableState[JT]
 WriteableState[SO] val closed: WriteableState
 WriteableState[SO] val closing: WriteableState
diff --git a/dom/src/main/scala-2/org/scalajs/dom/WorkerType.scala b/dom/src/main/scala-2/org/scalajs/dom/WorkerType.scala
new file mode 100644
index 000000000..3fef2275e
--- /dev/null
+++ b/dom/src/main/scala-2/org/scalajs/dom/WorkerType.scala
@@ -0,0 +1,11 @@
+package org.scalajs.dom
+
+import scala.scalajs.js
+
+@js.native
+sealed trait WorkerType extends js.Any
+
+object WorkerType {
+  val classic: WorkerType = "classic".asInstanceOf[WorkerType]
+  val module: WorkerType = "module".asInstanceOf[WorkerType]
+}
diff --git a/dom/src/main/scala-3/org/scalajs/dom/WorkerType.scala b/dom/src/main/scala-3/org/scalajs/dom/WorkerType.scala
new file mode 100644
index 000000000..8a32bec38
--- /dev/null
+++ b/dom/src/main/scala-3/org/scalajs/dom/WorkerType.scala
@@ -0,0 +1,10 @@
+package org.scalajs.dom
+
+import scala.scalajs.js
+
+opaque type WorkerType <: String = String
+
+object WorkerType {
+  val classic: WorkerType = "classic"
+  val module: WorkerType = "module"
+}
diff --git a/dom/src/main/scala/org/scalajs/dom/SharedWorker.scala b/dom/src/main/scala/org/scalajs/dom/SharedWorker.scala
index 1fd081f51..257252274 100644
--- a/dom/src/main/scala/org/scalajs/dom/SharedWorker.scala
+++ b/dom/src/main/scala/org/scalajs/dom/SharedWorker.scala
@@ -15,18 +15,24 @@ import scala.scalajs.js.annotation._
   * thrown.
   * @example
   *   {{{var myWorker = new SharedWorker("aURL", name);}}}
-  * @param stringUrl
+  * @param scriptURL
   *   A DOMString representing the URL of the script the worker will execute. It must obey the same-origin policy.
-  * @param name
-  *   An optional argument that specifies an existing SharedWorkerGlobalScope.name — if this is specified then that
-  *   SharedWorkerGlobalScope will be used as the scope for this shared worker.
+  * @param options
+  *   A DOMString specifying an identifying name for the SharedWorkerGlobalScope representing the scope of the worker,
+  *   which is mainly useful for debugging purposes. Or, an object containing option properties that can set when
+  *   creating the object instance.
   */
 @js.native
 @JSGlobal
-class SharedWorker(stringUrl: String, name: js.UndefOr[String] = js.native) extends AbstractWorker {
+class SharedWorker(scriptURL: String) extends AbstractWorker {
+  def this(scriptURL: String, name: String) = this(scriptURL)
+
+  def this(scriptURL: String, options: WorkerOptions) = this(scriptURL)
 
   /** The port property of the SharedWorker interface returns a [[MessagePort]] object used to communicate and control
     * the shared worker.
     */
   def port: MessagePort = js.native
 }
+
+object SharedWorker
diff --git a/dom/src/main/scala/org/scalajs/dom/Worker.scala b/dom/src/main/scala/org/scalajs/dom/Worker.scala
index 7cb7ee7c3..a38e99eeb 100644
--- a/dom/src/main/scala/org/scalajs/dom/Worker.scala
+++ b/dom/src/main/scala/org/scalajs/dom/Worker.scala
@@ -10,10 +10,17 @@ import scala.scalajs.js.annotation._
   * Of note is the fact that workers may in turn spawn new workers as long as those workers are hosted within the same
   * origin as the parent page. In addition, workers may use XMLHttpRequest for network I/O, with the exception that the
   * responseXML and channel attributes on XMLHttpRequest always return null.
+  *
+  * @param scriptURL
+  *   A USVString representing the URL of the script the worker will execute. It must obey the same-origin policy.
+  * @param options
+  *   An object containing option properties that can be set when creating the object instance.
   */
 @js.native
 @JSGlobal
-class Worker(stringUrl: String) extends AbstractWorker {
+class Worker(scriptURL: String, options: WorkerOptions) extends AbstractWorker {
+
+  def this(scriptURL: String) = this(scriptURL, js.native)
 
   /** The Worker.onmessage property represents an EventHandler, that is a function to be called when the message event
     * occurs. These events are of type MessageEvent and will be called when the worker calls its own postMessage()
diff --git a/dom/src/main/scala/org/scalajs/dom/WorkerOptions.scala b/dom/src/main/scala/org/scalajs/dom/WorkerOptions.scala
new file mode 100644
index 000000000..986b3e2b8
--- /dev/null
+++ b/dom/src/main/scala/org/scalajs/dom/WorkerOptions.scala
@@ -0,0 +1,9 @@
+package org.scalajs.dom
+
+import scala.scalajs.js
+
+trait WorkerOptions extends js.Object {
+  var credentials: js.UndefOr[RequestCredentials] = js.undefined
+  var name: js.UndefOr[String] = js.undefined
+  var `type`: js.UndefOr[WorkerType] = js.undefined
+}