sort排序 数组里面 对象根据某一字段sort排序

var arr = [
    {name:'zopp',age:0},
    {name:'gpp',age:18},
    {name:'yjj',age:8}
];

function compare(用于判断的属性名){
    return function(a,b){
        var value1 = a[用于判断的属性名];
        var value2 = b[用于判断的属性名];
        return value1 - value2;
    }
}
console.log(arr.sort(compare('age')))  //返回对象，age从小到大正向