输入框中按回车触发提交事件

Java代码

 

<input id="webchat_usersend" type="text" height="20" size="65" maxlength="255" value="请在此输入您要说的话" onKeyDown="webchat_chkkeysend(event);" /> <input type="button" value="发送" onClick="webchat_sendmsg();" />

JS代码

<script language="javascript">
function webchat_chkkeysend(event)
{
   if (event.keyCode==13) {webchat_sendmsg();}
}
</script>