tryjs_comments2 在线代码实例

实例代码( Tip: 登录后体验更佳 )

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<!DOCTYPE html>
<html>
<head>
<title>W3Cschool教程测试实例</title>
<meta charset="utf-8">
</head>
<body>
<h1 id="myH1"></h1>
<p id="myP"></p>
<script>
/*
下面的这些代码会输出
一个标题和一个段落
并将代表主页的开始
*/
document.getElementById("myH1").innerHTML="欢迎来到W3Cschool教程";
document.getElementById("myP").innerHTML="这是一个段落。";
</script>
<p><b>注释：</b>注释块不会被执行。</p>
</body>
</html>
 
 
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运行结果
PC端手机端平板端