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源代码：
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>安科教程(www.ancii.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>
运行结果
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