<html> <body> <script type="text/javascript"> function noNumbers(e) { var keynum var keychar var numcheck if(window.event) // IE { keynum = e.keyCode } else if(e.which) // Netscape/Firefox/Opera { keynum = e.which } keychar = String.fromCharCode(keynum) numcheck = /d/ return !numcheck.test(keychar) } </script> <form> 敲一些文字 (数字不行): <input type="text" onkeypress="return noNumbers(event)" /> </form> </html>
编辑上面的文字,按下“查看结果”，效果会显示在右边 Create by 软晨网（RuanChen.com）