课题打卡~请老师检查

来源：1-19 自由编程

慕仙4530950

2020-07-08 20:54:58

<!DOCTYPE html >

<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jQuery练习</title>

<style type="text/css">
.div1{

	float: left;
	width: 50px;
	line-height: 30px;
	background-color: lightgray;
	margin-left: 10px;
	text-align: center;
	vertical-align: middle;
}
.div2{
	width: 300px;
	height: 300px;
	border: solid gray 1px;
	margin-top: 60px;
	color: red;
}
</style>


</head>
<body>
	<h2>请选择背景颜色</h2>
	<div>
	<div id="blue" class="div1">蓝色</div>
	<div id="green" class="div1">绿色</div>
	</div>
	<div class="div2" id="bg">
	</div>
	<div>输入颜色首字母： <input type="text" name="color"></div>
	<script type="text/javascript" src="js/jquery-3.3.1.js"></script>
	<script type="text/javascript">
		$("#blue").click(function(){
			$(".div2").css("background","blue");
			$(".div2").text("蓝色背景");
		});
		$("#green").click(function(){
			$(".div2").css("background","green");
			$(".div2").html("<i><b>绿色背景</b></i>");
		});
		$("input[type='text']").keypress(function(event){
		     if(event.keyCode == 66){
		    	 $(".div2").css("background-color","blue");
		    	 $("#bg").text("");
		     }else if(event.keyCode == 71){
		    	 $(".div2").css("background-color","green");
		    	 $("#bg").text("");
		     }		     
		});
	</script>
</body>
</html>

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