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分享var users = [{"age":22,"name":"张三"},{"age":50,"name":"王五"},{"age":40,"name":"李四"}];
users.sort(function(o1, o2){
return o1.age - o2.age;
});
for (idx in users){
alert(users[idx].name);
}
var a =[2,3,4,1,3,43,454,57,56,76,7,3,42,34];
var b= a.concat().sort();
alert(a.join(" "));
alert(b.join(" "));
var a =[2,3,4,1,3,43,454,57,56,76,7,3,42,34],b = [];
b = a.concat(b)
b.sort()