实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
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<!DOCTYPE html>
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<html>
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<head>
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    <title>Object.getOwnPropertyNames() Example</title>
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    <script type="text/javascript">
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        function Person(){
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        }
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        Person.prototype.name = "Nicholas";
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        Person.prototype.age = 29;
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        Person.prototype.job = "Software Engineer";
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        Person.prototype.sayName = function(){
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            alert(this.name);
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        };
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        var keys = Object.getOwnPropertyNames(Person.prototype);
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        alert(keys);   //"constructor,name,age,job,sayName"
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    </script>
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</head>
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<body>
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<p>Note: this example only works in browsers that have implemented the ECMAScript 5 <code>Object.defineProperty()</code> method (IE9, Firefox 4, and Chrome 7).</p>
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</body>
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</html>