let uidObj = {}
let uidArr = []


for (let i =0; i<100000000;i++) {
    uidObj[i] = i
    uidArr.push(100000+i)
}

console.log((new Date).getTime(), '对象开始查询')
console.log(uidObj['9999999999'], '对象结果')
console.log((new Date).getTime(), '对象查询完成，计算耗时')

console.log((new Date).getTime(), '数据填充完成，开始查询')
console.log(uidArr.find(function (item) {
    return item == '999999999'
}), 'uid数组')
console.log((new Date).getTime(), '数据查询完成，计算耗时')

console.log(uidObj['9999'] ? 1 : 0, '111')
console.log(uidObj['dfsdf'] ? 1 : 0, 'dfdsfd')

// setInterval(function () {
//     let index = Math.floor(Math.random() * 10000000 + 1)
//     console.log(uidObj[index])
// }, 100)





// console.log(uidObj)