如何将此js对象转换
var obj1 = {"user1":28, "user2":87, "user3":56};
把它转换成一个字符串数组,按值排序,就像这样:
["user2","user3","user1"]
var obj1 = {"user1":28, "user2":87, "user3":56};
把它转换成一个字符串数组,按值排序,就像这样:
["user2","user3","user1"]
使用这个:
var obj1 = {"user1":28, "user2":87, "user3":56};
var a = Object.keys(obj1).sort(function(x,y){return obj1[y]-obj1[x]})
console.log(a);
输出:
["user2", "user3", "user1"]
var sortedKeys = Object.keys(obj1).sort();
。 - Pointy.sort()
需要一个比较器来实现这个功能。 - Pointy