摘要: 1.运用 setInterval()定时器计算秒数 <!DOCTYPE html> <html> <head> <title>JS实现计数器</title> <meta http-equiv="content-type" content="text/html; charset=gbk"> <scri 阅读全文
posted @ 2020-12-24 09:08 倔强的烤马铃薯 阅读(16) 评论(0) 推荐(0)