输入框中按回车触发提交事件
html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"/>
JS代码
<script language="javascript">function webchat_chkkeysend(event){ if (event.keyCode==13) {webchat_sendmsg();}}</script>
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