Question

我想按照术语（键，值）对关联的对象进行排序我能够根据key存储值，但无法使用内置value函数在sort()的基础上对它们进行排序，如同关联数组一样。

var usernames = {};

username[1] = "ZNAME";
username[2] = "BNAME";
username[3] = "ANAME";
username[4] = "TNAME";
username[5] = "KNAME";
username[5] = "YNAME";

$.each(usernames,function(key, value){
    alert(key + " : " + value);
})

请告诉方法使用我更新的JSFIIDLE

进行排序

DEMO

Answer 1

var username = [];

username[0] = "ZNAME";
username[1] = "BNAME";
username[2] = "ANAME";
username[3] = "TNAME";
username[4] = "KNAME";
username[5] = "YNAME";

username.sort();

$.each(username,function(key, value){
    alert(key + " : " + value);
})

Answer 2

您无法对对象进行排序，您必须将其设为数组。例如：

var usernamesArray = [
    {key:1,username:"ZNAME"},
    {key:2,username:"BNAME"},
    ...
    {key:5,username:"YNAME"}
];
var sortedUsernamesArray=usernamesArray.sort(function(a,b){
    //
    return (a.username>b.username)?1:-1;
});

现场演示：http://jsfiddle.net/GrD4v/

注意：这里不需要jQuery。

[编辑]有几种不同的方法来构建usernamesArray。一个简单的：

var usernamesObject = {};
var usernamesArray = [];

usernamesObject[1] = "ZNAME";
usernamesObject[2] = "BNAME";
usernamesObject[3] = "ANAME";
usernamesObject[4] = "TNAME";
usernamesObject[5] = "KNAME";
usernamesObject[6] = "YNAME";

for (var i=1;i<7,i++) {
    usernamesArray.push({key:i,username:usernamesObject[i]});
}

基于js中的值对对象进行排序

2 个答案: