<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>計(jì)時(shí)器</title><script type="text/javascript">? ?function clock(){? ? ? var time=new Date(); ? ? ? ? ? ? ? ? ? ??? ? ? document.getElementById("clock").value = time;? ?}? ? ?var i=setInterval(function(){? ? ? ? ?clock()? ? ?},100)? ? ?function clock2(){? ? ? ? ?clearInterval(i)? ? ?}function clock3(){var i=setInterval(function(){clock()},100)}</script></head><body>? <form>? ? <input type="text" id="clock" size="50" ?/>? ? <input type="button" value="Stop" onclick="clock2()" />? ? <input type="button" value="Continue" onclick="clock3()">? </form></body></html>按了continue之后再按stop就無(wú)效了，該怎么改
我這段js計(jì)時(shí)器的開始和停止按鈕的代碼哪有錯(cuò)誤？
叔本華Arthur
2016-03-19 23:34:11
