游泳
2015-02-25 08:41
<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>计时器</title> </head> <script type="text/javascript"> var num=0; var i; function startCount(){ document.getElementById('count').value=num; num=num+1; i=setTimeout("startCount()",1000); } function stopCount(){ clearTimeout(i); } </script> </head> <body> <form> <input type="text" id="count" /> <input type="button" value="Start" onClick="startCount()" /> <input type="button" value="Stop" onClick="stopCont()" /> </form> </body> </html>
<input type="button" value="Stop" onClick="stopCont()" /> //应该为stopCount 少个字母
JavaScript进阶篇
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