event 事件 ctrlKey提交留言

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		
		<script>
			window.onload = function(){
				var oText1 = document.getElementById("txt1");
				var oText2 = document.getElementById("txt2");
				
				oText1.onkeydown = function(ev){
					var oEvent = ev || event;
					//如果回车的时候 将oText1的值赋给 oText2的值  ctrlKey shiftKey  altKey
					if(oEvent.keyCode == 13 && oEvent.ctrlKey)
					{
						oText2.value +=oText1.value +"
";
						oText1.value = "";
					}
					 
				}
			}
		</script>
	</head>
	<body>
		<input type="text" id="txt1" /><br /><br />
		
		<textarea name="" rows="10" cols="20" id="txt2"></textarea>
	</body>
</html>

  

原文地址:https://www.cnblogs.com/mingjixiaohui/p/5268821.html