题解 | #计时器#
计时器
https://www.nowcoder.com/practice/72c661d926494bd8a50608506915268c
{"html":"<!DOCTYPE html>\n<html>\n\n<head>\n <meta charset=\"UTF-8\">\n <style>\n /* 填写样式 */\n </style>\n</head>\n\n<body>\n <!-- 填写标签 -->\n <script type=\"text/javascript\">\n // 填写JavaScript\n function count(start, end) {\n let timer;\n let i=start;\n console.log(i++);\n timer=setInterval(()=>{if(i<=end)console.log(i++)},100);\n return {\n cancel(){\n clearInterval(timer);\n timer=null;\n }\n }\n }\n </script>\n</body>\n\n</html>","css":"","js":""}
