把数组中大于4000的筛选出来
var arr = [
{ num: 1, name: 'yi', money: 1000 },
{ num: 2, name: 'er', money: 2000 },
{ num: 3, name: 'san', money: 5000 },
{ num: 4, name: 'si', money: 8000 },
{ num: 5, name: 'wu', money: 4000 }
]
console.log(arr.filter(item => item.money > 4000))
打印结果: