jqueryajax的例子

首先引入jquery.js文件

<p class="row" id="row">
    <p class="col-lg-3 col-md-3 col-sm-3 col-xs-3 ana_btn">
        <img  src="" alt="responsive image" class="img-responsive ana_btn_con img-rounded">
        <a target="_blank" href=""
           style="color: #1b6d85; margin-top: 20px;font-size: 18px;margin-bottom: 20px"></a>
        <p style="color: #777"></p>
    </p>
</p>

$(document).ready(function(){
    var root = location.href.slice(0, location.href.lastindexof('/'));
    var path = root + '/appgallery/config/appsconfig.json';

    //$("#imgid").attr('src',path);
    var childrens = $('body').find("#row")[0].children;   //查找节点
    $.ajax({
        type:"get",
        url: path,
        data：{},
      datatype: 'json',
        success:function(results){
            var centents = results.typicalappcontents;
            for(var i=0;i