App下载
实例代码( Tip: 登录后体验更佳 )
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool(w3cschool.cn)</title>
<style>
div {color: red; }
</style>
</head>
<body>
<div>
<h1 id="bc">Hello World</h1>
<ul>
<li id="a">Item one</li>
<li id="b">Item two</li>
<li id="c">Item three</li>
</ul>
</div>
<p> color "initial"</p>
<button onclick="myFunction()"></button>
<script>
function myFunction()
{
document.getElementById("b").style.color = "initial";
}
</script>
<p><b></b>Internet Explorer Opera 15 initial </p>
</body>
</html>
 
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运行结果