js常用日期函数, js常用日期函数

常用日期函数

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// let dateStr = "2024-02-02"
let dateStr = "2024-02-02ssssssss"
var date = new Date(dateStr + 'T00:00:00'); // will be in local time
isNaN(date.valueOf()); // 判断日期是否有效
console.log(isNaN(date.valueOf()));

时间计时器

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// 借助一下 dayjs 时间库
let form = {feiTime: undefined}
let timer = null
const setTime = () => {
  timer = setTimeout(() => {
    form.reportTime = dayjs().format('YYYY-MM-DD HH:mm:ss')
    setTime()
  }, 1000)
}
const clearTimeoutFn = () => {
  if (timer) {
    clearTimeout(timer)
    timer = null
  }
}

底部

没有了