JS定时器小应用--设置闹铃

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代码呈上

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		
		
		<script type="text/javascript">
			
			var date = new Date();
			date.setDate(15);   //日设置
			date.setMonth(1);
			date.setFullYear(2019);
			date.setHours(11);
			date.setMinutes(11);
			date.setSeconds(2);
			

			
		setInterval(function(){
				if((new Date().getTime() - date.getTime() > 0)&&(new Date().getTime() - date.getTime() <30000))
				//当到达设定时间  响铃半分钟
				{
					console.log('lalala');
					//动态设置audio结点
					var audio = document.createElement("audio");
					audio.src = "../../music/坦克大战.mp3";
					audio.play();
				}
			},5000);
			
			
		</script>
	</body>
</html>

运行时可能会有bug,如果是chrome浏览器,可能有这样的报错:

Uncaught(in promise)DOMException:play()

处理方法

  1. Open  chrome://flags/#autoplay-policy
  2. Setting No user gesture is required

  3. Relaunch Chrome

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转载自blog.csdn.net/Ms_yjk/article/details/87351754