// 数组转为对象
var array2Object = require('./lib/array2Object.js');

var arr = [
    {
        id: 1,
        name: '张三',
        age: 20
    },{
        id: 2,
        name: '王二',
        age: 16
    },{
        id: 3,
        name: '李四',
        age: 24
    }
]
var object = array2Object.arr2Obj(arr, 'id', 'name')

// output
object { '1': '张三', '2': '王二', '3': '李四' }