怎么实现将数组按对象某一属性值的首字母排序？

Question

var array = [     {         age:20,         name:'lufy'     },     {         age:25,         name:'usop'     },     {         age:12,         name:'tao'     },     {         age:34,         name:'robin'     } ];

Answer 1

var array = [

    {

        age:20,

        name:'lufy'

    },

    {

        age:25,

        name:'usop'

    },

    {

        age:12,

        name:'tao'

    },

    {

        age:34,

        name:'robin'

    }

];

undefined

var arr=[];

for(var i=0;i<array.length;i++){

    arr.psuh(array[i].name);

}

arr.sort();