JQuery $.each

1、遍历列表(数组)

dic = {"a": 1, "b": 2, "c": 3}
$.each(dic, function (k, v) {
    console.log(k, v)
})

结果

0 "a"
1 1
2 "b"
3 "c"
4 2

2、处理字典(json)

dic = {"a": 1, "b": 2, "c": 3}
$.each(dic, function (k, v) {
    console.log(k, v)
})

结果

a 1
b 2
c 3

其它参考：

https://www.cnblogs.com/zhaixr/p/7069857.html