tryjs_fornext_header 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<body>
<p>Click the button to loop from 1 to 6, to make HTML headings.</p>
<button onclick="myFunction()">Try it</button>
<div id="demo"></div>
<script>
function myFunction()
{
var x="",i;
for (i=1; i<=6; i++)
{
x=x + "<h" + i + ">Heading " + i + "</h" + i + ">";
}
document.getElementById("demo").innerHTML=x;
}
</script>
</body>
</html>
 
 
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运行结果
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