原生js练习网页换肤

「爱情、让人受尽委屈。」 2023-06-09 03:52 7阅读 0赞

# 原生js练习 网页换肤 #

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## 写的很烂，没有要点 ##

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### 效果： ###

![在这里插入图片描述][2019101913543893.jpg]

<!DOCTYPE html>
    <html>
    	<head>
    		<meta charset="utf-8">
    		<title></title>
    		<style type="text/css">
    			*{ 
    				margin: 0px;
    				padding: 0px;
    			}
    			body{ 
    				height: 100%;
    				width: 100%;
    				
    			}
    			#main{ 
    				height: 720px;
    				width: 100%;
    				background-color: pink;
    			}
    			button{ 
    				height: 15px;
    				width: 15px;
    				border: 1px solid #fff;
    				margin: 10px 10px;
    				
    			}
    			#red{ 
    				background-color: red;
    			}
    			#green{ 
    				background-color: green;
    			}
    			#blue{ 
    				background-color: blue;
    			}
    			
    		</style>
    	</head>
    	<body>
    		<div id="main">
    			<button type="button" id="red" onclick="red()"></button>
    			<button type="button" id="green" onclick="green()"></button>
    			<button type="button" id="blue" onclick="blue()"></button>
    		</div>
    		
    		<script type="text/javascript">
    			var x=document.getElementById('main');
    			function red(){ 
    				x.style.backgroundColor='red';
    				
    				document.getElementById('red').style.border="3px solid white";
    				document.getElementById('green').style.border="1px solid white";
    				document.getElementById('blue').style.border="1px solid white";
    				
    			}
    			function green(){ 
    				x.style.backgroundColor='green';
    				document.getElementById('green').style.border="3px solid white";
    				document.getElementById('red').style.border="1px solid white";
    				document.getElementById('blue').style.border="1px solid white";
    			}
    			function blue(){ 
    				x.style.backgroundColor='blue';
    				document.getElementById('blue').style.border="3px solid white";
    				document.getElementById('red').style.border="1px solid white";
    				document.getElementById('green').style.border="1px solid white";
    			}
    		</script>
    	</body>
    </html>

[2019101913543893.jpg]: /images/20230531/92afbeffbe594167a169622803c8ae75.png