tryjsref_replace 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 replace "Microsoft" with "W3CSchool" in the paragraph below:</p>
<p id="demo">Visit Microsoft!</p>
<button onclick="myFunction()">Try it</button>
<script>
function myFunction()
{
var str=document.getElementById("demo").innerHTML; 
var n=str.replace("Microsoft","W3CSchool");
document.getElementById("demo").innerHTML=n;
}
</script>
</body>
</html>
 
 
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运行结果
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