<html> <head> <meta http-equiv="Content-Type" content="text/html" /> <title>只能输入汉字js脚本</title> </head> <body> 只能输入汉字:<INPUT onkeyup="value=value.replace(/[^\u4E00-\u9FA5]/g,'')"> <script> function ischinese(s){ var ret=true; for(var i=0;i<s.length;i++) ret=ret && (s.charCodeAt(i)>=10000); return ret; } </script> </body> </html>
