JS改变HTML上文字颜色和内容的案例

发布时间：2020-10-24 16:48:02 作者：小新
来源：亿速云阅读：185

这篇文章将为大家详细讲解有关JS改变HTML上文字颜色和内容的案例，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。

具体如下：

1. JavaScript

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
 <HEAD>
 <TITLE> Day 1 </TITLE>
 <META NAME="Generator" CONTENT="EditPlus">
 <META NAME="Author" CONTENT="">
 <META NAME="Keywords" CONTENT="">
 <META NAME="Description" CONTENT="">
 <script>
  // to change the color of an object.
  function changeColor(){
  x=document.getElementById("Id1");
  x.style.color="Red";
  }
  // to change the content of an object.
  function changeContent(){
  y=document.getElementById("Id2");
  y.innerHTML="Hi, you have changed the contents using Java Script successfully!";
  }
  </script>
 </HEAD>
<BODY bgcolor="AntiqueWhite">
  <h2 ><center>Welcome Page</center></h2>
  <p id="Id1">It is test 1.</p>
  <p id="Id2">It is test 2.</p>
  <button type="button" onclick ="changeColor()">
    Change color of test 1
  </button><br/><br/>
  <button type="button" onclick ="changeContent()">
    Change content of test 2
  </button>
 </BODY>
</HTML>

2. Day 1.html

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
 <HEAD>
 <TITLE> Day 1 </TITLE>
 <META NAME="Generator" CONTENT="EditPlus">
 <META NAME="Author" CONTENT="">
 <META NAME="Keywords" CONTENT="">
 <META NAME="Description" CONTENT="">
 <script>
  // to change the color of an object.
  function changeColor(){
  x=document.getElementById("Id1");
  x.style.color="Red";
  }
  // to change the content of an object.
  function changeContent(){
  y=document.getElementById("Id2");
  y.innerHTML="Hi, you have changed the contents using Java Script successfully!";
  }
  </script>
 </HEAD>
<BODY bgcolor="AntiqueWhite">
  <h2 ><center>Welcome Page</center></h2>
  <p id="Id1">It is test 1.</p>
  <p id="Id2">It is test 2.</p>
  <button type="button" onclick ="changeColor()">
    Change color of test 1
  </button><br/><br/>
  <button type="button" onclick ="changeContent()">
    Change content of test 2
  </button>
 </BODY>
</HTML>

3. 运行效果截图：

JS改变HTML上文字颜色和内容的案例

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JS改变HTML上文字颜色和内容的案例

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