<title>定時器</title><script type="text/javascript">? var attime;? function clock(){? ? var time=new Date(); ? ? ? ? ?? ? //attime=time.substr(17,8) ?;? ? attime=time.getHours()+":"+time.getMinutes()+":"+time.getSeconds();? ? document.getElementById("clock").value = attime;? }? var int=setInterval("clock()",1000)</script></head><body><form><input type="text" id="clock" size="40" ?/>
為什么刪除 var int=setInterval("clock()",1000)這段代碼,也能顯示計時器,這段代碼的意義是什么?
qq_風華青春_03784766
2016-08-31 09:35:06