暖暖的晴天
2015-09-14 18:13
<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>计时器</title> <script type="text/javascript"> var attime function clock(){ var time=new Date(); document.getElementById("clock").value = time; } i=setInterval(clock,100) </script> </head> <body> <form> <input type="text" id="clock" size="50" /> <input type="button" value="Stop" /> </form> </body> </html>
<input type="button" value="Stop" onclick="clearInterval(i)" /> 没有清空interval
JavaScript进阶篇
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