介绍javascript实现定时器倒计时
话不多说直接上代码、12345678910111213141516171819202122232425262728293031323334353637<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content=
定时器倒计时
话不多说直接上代码、12345678910111213141516171819202122232425262728293031323334353637<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content=