ctrl + enter 提交

作者: 发光驴子 | 来源:发表于2017-10-11 21:22 被阅读0次

 <!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>无标题文档</title>
 <script>
 window.onload=function ()
      {
var oBtn=document.getElementById('btn1');
var oTxt1=document.getElementById('txt1');
var oTxt2=document.getElementById('txt2');

     oBtn.onclick=function ()
     {
    oTxt1.value+=oTxt2.value+'\n';
    oTxt2.value='';
     };

     oTxt2.onkeydown=function (ev)
     {
         var oEvent=ev||event;
    
         if(oEvent.ctrlKey && oEvent.keyCode==13)
         {
        oTxt1.value+=oTxt2.value+'\n';
        oTxt2.value='';
        }
     };
 };
 </script>
 </head>

 <body>
 <textarea id="txt1" rows="10" cols="40"></textarea><br />
 <input id="txt2" type="text" />
 <input id="btn1" type="button" value="留言" />
 </body>
 </html>