jquery遍历json的几种方法

for循环：

<script>
var obj = { 
        "status":1, 
        "bkmsg":"u6210u529f", 
        "bkdata":["u5415u5c1au5fd7","1387580400","u6dfbu52a0u8bb0u5f55"] 
    } 
   // console.log(obj.length); 
    if (obj.status == 1) { 
        for (var i = 0; i < obj.bkdata.length; i++) { 
            console.log(obj.bkdata[i]); 
        }; 
    }else{ 
        alert("数据有误~"); 
    };
</script> 

for in 循环：

<script>
var obj = { 
        "status":1, 
        "bkmsg":"u6210u529f", 
        "bkdata":["u5415u5c1au5fd7","1387580400","u6dfbu52a0u8bb0u5f55"] 
    } 
 //for in循环 
    for(x in obj.bkdata){ 
        //x表示是下标，来指定变量，指定的变量可以是数组元素，也可以是对象的属性。 
        console.log(obj.bkdata[x]); 
    }  
</script>

元素 each方法

<script>
var obj = { 
        "status":1, 
        "bkmsg":"u6210u529f", 
        "bkdata":["u5415u5c1au5fd7","1387580400","u6dfbu52a0u8bb0u5f55"] 
    } 

if (obj.status == 1) { 
        $(obj.bkdata).each(function(index,item){ 
            //index指下标 
            //item指代对应元素内容 
            //this指代每一个元素对象 
            //console.log(obj.bkdata[index]); 
            console.log(item); 
            //console.log($(this)); 
        }); 
    }else{ 
        alert("数据有误~"); 
    }; 
</script> 

jquery each方法

<script>
var obj = { 
        "status":1, 
        "bkmsg":"u6210u529f", 
        "bkdata":["u5415u5c1au5fd7","1387580400","u6dfbu52a0u8bb0u5f55"] 
    } 

$.each( obj.bkdata, function(index,item){ 
        console.log(item); 
    });
</script>