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直接上代码。获取数组中的数据imageUrl
<html>
<script type="text/javascript">
function loadXMLDoc()
{
var xmlhttp;
var text;
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
text = xmlhttp.responseText;
// text = ‘{"news":[{"imageUrl":"https://www.baidu.com/","newsUrl":"https://www.baidu.com/","newsId":"0"},{"imageUrl":"https://www.baidu.com/","newsUrl":"https://www.baidu.com/","newsId":"0"}]}’;
document.getElementById("myDiv").innerHTML=jsonObj.news[1].imageUrl;
}
}
xmlhttp.open("GET","URL地址",true);
xmlhttp.send();
}
</script>
</head>
<body>
<div id="myDiv"><h2>Let AJAX change this text</h2></div>
<button type="button" onclick="loadXMLDoc()">通过 AJAX 改变内容</button>
</body>
</html>