ctrl+enter提交留言

<!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+'
';//换行
        oTxt2.value='';//清空输入框
    };
    
    oTxt2.onkeydown=function (ev)
    {
        var oEvent=ev||event;//事件处理兼容
        
        if(oEvent.keyCode==13)//取键盘的回车事件
        {
            oTxt1.value+=oTxt2.value+'
';
            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>
原文地址:https://www.cnblogs.com/zxyun/p/4703315.html