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<html>
<head>
<meta charset="utf-8">
<title>高手教程(study.p2hp.com)</title>
</head>
<body>
<h2>字符串转换为函数</h2>
<p id="demo"></p>
<script>
var text = '{ "name":"Runoob", "alexa":"function () {return 10000;}", "site":"www.runoob.com"}';
var obj = JSON.parse(text);
obj.alexa = eval("(" + obj.alexa + ")");
document.getElementById("demo").innerHTML = obj.name + " Alexa 排名:" + obj.alexa();
</script>
</body>
</html>