tryjs_string_replace_regexp 在线代码实例

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
</head>
<body>
<p>替换 "microsoft" 为 "W3cSchool" :</p>
<button onclick="myFunction()">点我</button>
<p id="demo">请访问 Microsoft!</p>
<script>
function myFunction() {
    var str = document.getElementById("demo").innerHTML; 
    var txt = str.replace(/microsoft/i,"W3cSchool");
    document.getElementById("demo").innerHTML = txt;
}
</script>
</body>
</html>
 
 
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运行结果
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