这是对具有多列的对象数组进行排序的通用方法:
var arr = [
{ id:5, name:"Name3" },
{ id:4, name:"Name1" },
{ id:6, name:"Name2" },
{ id:3, name:"Name2" }
],
// generic comparison function
cmp = function(x, y){
return x > y ? 1 : x < y ? -1 : 0;
};
//sort name ascending then id descending
arr.sort(function(a, b){
//note the minus before -cmp, for descending order
return cmp(
[cmp(a.name, b.name), -cmp(a.id, b.id)],
[cmp(b.name, a.name), -cmp(b.id, a.id)]
);
});
要添加其他列进行排序,您可以在数组比较中添加其他项目。
arr.sort(function(a, b){
return cmp(
[cmp(a.name, b.name), -cmp(a.id, b.id), cmp(a.other, b.other), ...],
[cmp(b.name, a.name), -cmp(b.id, a.id), cmp(b.other, a.other), ...]
);
});
EDIT:根据下面的@PhilipZ评论,JS中的数组比较将它们转换为用逗号分隔的字符串。