1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>延时器</title> 5 <style type="text/css"> 6 input 7 { 8 500px; 9 } 10 </style> 11 <script type="text/javascript"> 12 onload = function () { 13 var timeoutId; 14 //在第一个框里输入内容，一秒后在第二个框里显示 15 text1.onkeyup = function () { 16 clearTimeout(timeoutId); 17 timeoutId = setTimeout(function () { 18 text2.value = text1.value; 19 }, 1000); 20 21 } 22 23 } 24 </script> 25 </head> 26 <body> 27 <input type="text" name="name" value=" " id="text1" /><br /><br /><br /> 28 <input type="text" name="name" value=" " id="text2" /> 29 </body> 30 </html>