js循环array，json，map

 var str = '[{"uname":"王强","day":"2010/06/17"},{"uname":"王海云","day":"2010/06/11"}]';  

 for(var i=0;i<jsonList.length;i++){ 

  　　　　for(var key in jsonList[i]){

          　　alert("key："+key+",value："+jsonList[i][key]); 

         } 

  　　}

 var mapColumn = {
              "vdoing" : "访问深度",
              "_visitorNumber": "访问量",
              "_pageViews": "浏览量",
              "_jumpOutRate": "跳出率",
              "_avgAccessTime": "平均访问时长",
              "_allTargetConvRate": "转化率",
              "_orderTotalPrice": "总收益"

          };
  var target=[];
  for (var key in mapColumn) {
              target.push(key);
          }

1 function text(){
   var json = {"options":"[{\"text\":\"王家湾\",\"value\":\"9\"},{\"text\":\"李家湾\",\"value\":\"10\"},{\"text\":\"邵家湾\",\"value\":\"13\"}]"}
  json = eval(json.options)
  for(var i=0; i<json.length; i++)
   {
      alert(json[i].text+" " + json[i].value)
   }
 }  

本文转载于：http://qiaolevip.iteye.com/blog/1670967 好东西，权当作收藏