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<head>
<meta charset="utf-8">
<title>W3xue教程(w3xue.com)</title>
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<body>
<p>使用中括号([])来修改 JSON 对象的值。</p>
<p id="demo"></p>
<script>
var myObj, i, x = "";
myObj = {
"name":"W3xue",
"alexa":10000,
"sites": {
"site1":"www.w3xue.com",
"site2":"m.w3xue.com",
"site3":"c.w3xue.com"
}
myObj.sites["site1"] = "www.google.com";
for (i in myObj.sites) {
x += myObj.sites[i] + "<br>";
document.getElementById("demo").innerHTML = x;
</script>
</body>
</html>