JavaScript JSON 字符串中创建对象

​x
 
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runcodex.com)</title>
</head>
<body>
<h2>从 JSON 字符串中创建对象</h2>
<p>
名称：<span id="name"></span><br> 
站点：<span id="url"></span><br> 
  <button onclick="aaa()">kmassss</button>
</p> 
<script>
var txt = '{ "sites" : [' +
'{ "name":"菜鸟教程" , "url":"www.runcodex.com" },' +
'{ "name":"google" , "url":"www.google.com" },' +
'{ "name":"微博" , "url":"www.weibo.com" } ]}';
​
var obj = eval ("(" + txt + ")");
function aaa(){
    for(i=0;i<=2;i++){
document.getElementById("name").innerHTML+=obj.sites[i].name + "| | |"
document.getElementById("url").innerHTML+=obj.sites[i].url + "| | |"
    };
};
</script>
</body>
</html>
HTML