实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
​x
 
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<!DOCTYPE html>
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<html>
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<body>
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​
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<p>替换 "Microsoft" 为 "jianzhan" :</p>
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​
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<button onclick="myFunction()">点我</button>
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​
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<p id="demo">Please visit Microsoft!</p>
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​
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<script>
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function myFunction() {
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    var str = document.getElementById("demo").innerHTML;
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    var txt = str.replace("Microsoft","jianzhan");
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    document.getElementById("demo").innerHTML = txt;
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}
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</script>
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​
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</body>
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</html>
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