zhensolid
/
Python-100-Days


			
				
					
						
						
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							<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			#container {
				width: 800px;
				height: 400px;
				margin: 10px auto;
				border: 1px solid black;
				overflow: hidden;
			}
			#buttons {
				width: 800px;
				margin: 10px auto;
				text-align: center;
			}
			#add, #fla {
				border: none;
				outline: none;
				width: 80px;
				height: 30px;
				background-color: red;
				color: white;
				font-size: 16px;
				cursor: pointer;
			}
			.small {
				width: 80px;
				height: 80px;
				float: left;
			}
		</style>
	</head>
	<body>
		<div id="container"></div>
		<div id="buttons">
			<button id="add">添加</button>
			<button id="fla">闪烁</button>
		</div>
		<script src="js/hello.js"></script>
		<script src="js/jquery.min.js"></script>
		<script>
		$(() => {
			$('#add').on('click', (evt) => {
				$('#container').prepend(
					$('<div class="small">')
						.css('background-color', randomColor())
				)
			})
			$('#fla').on('click', (evt) => {
				setInterval(() => {
					$('#container>div').each((index, div) => {
						$(div).css('background-color', randomColor())
					})
				}, 200)
			})
		})
		</script>
	</body>
</html>