js 循环遍历对象 | 码农工具

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runcodex.com)</title>
</head>
<body>
    
<p>点击下面的按钮，循环遍历对象 "person" 的属性。</p>
<button onclick="myFunction()">点击这里</button>
<p id="demo"></p>
<script>
function myFunction(){
    var x;
    var txt="";
    var person={fname:"Bill",lname:"Gates",age:56}; 
    for (x in person){
        txt=txt + person[x];
    }
    document.getElementById("demo").innerHTML=txt;
}
</script>
    
</body>
</html>
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