From b883d3734ac4dd09d9dc2257afca048faf1ec5c7 Mon Sep 17 00:00:00 2001
From: hhhJB <guangtouchangkaishen@outlook.com>
Date: Wed, 15 Nov 2023 16:14:15 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E5=8F=98=E9=A2=9C=E8=89=B2?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 index.html |  2 +-
 test1.js   | 11 ++++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/index.html b/index.html
index d7db5bc..207aa89 100644
--- a/index.html
+++ b/index.html
@@ -82,7 +82,7 @@ <h3>添加几个按钮/开关 并在后面添加随机数字 ----李岳烁 23.11
     <button onclick="addone('num1')" class="nes-btn is-primary" value="一个按钮" name="button1"
         style="width: 160px;">+1</button>
     <input type="textbox" id="num1" value=><br>
-    <button class="nes-btn is-success" value="另一个按钮" name="button2" style="width: 160px;">改变颜色</button>
+    <button onclick="changecolor()" class="nes-btn is-success"value="另一个按钮" name="button2" style="width: 160px;">改变颜色</button>
     <input type="textbox" id="num2" value=><br>
     <button class="nes-btn is-error" value="最后一个按钮" name="button3" style="width: 160px;">切换正负</button>
     <input type="textbox" id="num3" value=>
diff --git a/test1.js b/test1.js
index 64e833a..1e339ec 100644
--- a/test1.js
+++ b/test1.js
@@ -2,4 +2,13 @@ function addone(id) {
     var elem = document.getElementById(id);
     var presnt = parseInt(elem.value) || 0;
     elem.value = presnt + 1;
-}
\ No newline at end of file
+}
+function changecolor() {
+    let button = document.getElementById("num2"); // access the button by id
+    let color = button.style.color;
+    if (color == "red") { // if button color is red change it green otherwise change it to red.
+       button.style.color = 'green';
+    } else {
+       button.style.color = 'red';
+    }
+ }
\ No newline at end of file