查找对象数组某个与要求匹配的元素的索引
let objectArr = [{
name:'fur',
age:18,
time:1522801451
},{
name:'furs',
age:18,
time:1222222
},{
name:'furfur-jiang',
age:18,
time:333333
}]
let index = objectArr.findIndex(v=>v.name==='fur')
console.log(index) //0