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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>回车提交</title> <script type="text/javascript"> function check(){ if(event.keyCode==13){alert("您按下了回车键");}} </script> </head> <body onload="check()"> <input type="text" id="t1" onkeydown="if(event.keyCode==13){document.getElementById(‘bt‘).click();return false;}" /><button id="bt" onclick="alert(‘回车单击了按钮!!‘)">确 认</button> </body> </html>
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原文地址：http://www.cnblogs.com/wangjiayi/p/5616613.html
