jQuery随机抽取数字号代码

html

<!DOCTYPE html>
<html>

<head>
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<title>抽号</title>
<script type="text/javascript" src="js/jquery.1.11.3.main.js" ></script>
<script type="text/javascript" src="js/main.js" ></script>
<link rel="stylesheet" type="text/css" href="css/css.css" />
</head>

<body>

<audio id="myMusic" loop src="img/Hans Zimmer - Up Is Down.mp3" type="audio/mpeg"></audio>

<section>
	<label>
		起始值：<input type="number" id="begin" value="1" min="1" max="10000" />
	</label>
	<label>
		结束值：<input type="number" id="end" value="5000" min="1" max="50000" />
	</label>
	
	<div class="showNum" id="showNum">大家好，这是我的抽奖号</div><br />
	
	<footer>
		<button id="resetBtn" class="reset">复 位</button>
		<button id="beginBtn" class="begin">开 始</button>
	</footer>
</section>

</body>
</html>

　　css

@charset "utf-8";
body{ background-size: cover; background-color: #292929; }
*{ margin: 0px; padding: 0px; font-family: "微软雅黑"; outline: none;}

section{ 80%; margin: auto; margin-top: 200px; padding:5% ; border: 1px solid white; text-align: center; border-radius: 10px; background: rgba(255,255,255,0.6);}
section label{ display: block; line-height: 52px;}
section label input{ 60% ; height: 30px; font-size: 24px; padding-left: 10px; color: blueviolet; border-radius: 30px;}
section footer {display: flex; text-align: center;}
section footer button{ margin: auto; 120px ; height: 40px; font-size: 22px; color: white; border: 1px solid white; border-radius: 15px;}
section footer .reset{margin-right: 16px; background: #8b95d0;}
section footer .begin{ background: #52d8e8;}
section .showNum{ height: 70px; line-height: 70px; font-size: 70px; font-weight: bold; color: #363b3c; text-shadow: 0px 2px 4px gray;}

$(document).ready(function(){
	$(document.body).on('click', '#resetBtn', function(){
		if(confirm("亲：您确定要复位吗？")){
			window.location.reload();
		}
	});

	var arr = [], mydsq = null;		
	
	function RunNumFn(){
		clearInterval(mydsq);
		var i = 0;
		mydsq = window.setInterval(function(){	
			i++;
			if(i >= arr.length){
				i = 0;
			}
			$('#showNum').html(arr[i]);
		}, 8);
	};
	
	$(document.body).on('click', '#beginBtn', function(){
		var begin = Number($('#begin').val()),
			end = Number($('#end').val());
		if(begin < 0){
			alert("亲：起始值 不能小于 0 哦！");
			return false;
		}else if(begin > end){
			alert("亲：起始值 不能大于 结束值哦！");
			return false;
		}
		else if(end > 50000){
			alert("亲：结束值 不能大于 50000 哦！");
			return false;
		}
		else{
			if($(this).text() == '开 始'){
				document.getElementById("myMusic").play();
				for(var i = begin; i <= end; i++){
					arr.push(i);
				}
				
				arr = arr.sort(function(){
					return Math.random() - 0.5;
				})
				
				RunNumFn();
				$(this).text('暂 停').css('background', '#8b95d0');
			}else{
				document.getElementById("myMusic").pause();
				clearInterval(mydsq);
				arr = [];
				begin = 0;
				$(this).text('开 始').css('background', '#52d8e8');
			}
		}
	});
});

　　效果：