一個簡單的網頁版鋼琴（用到JQuery）

原創

2020-02-21 08:46

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>琴鍵</title>
	<script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>	 
	<style>
		*,*:after,*:before{
			box-sizing: border-box;
			padding:0;
			margin:0;
			border:none;
			text-decoration:none;
		}
		
		body{
			margin: 0 auto;
			padding: 0;
			text-align: center;
		}
		
		#wrap{
			width: 1100px;
			height: auto;
			margin: 0 auto;
			background: #F6F5F4;
		}
		
		.box{
			margin: 68px 50px;
			width: 50px;
			height: 450px;
			position: relative;
			border:none;
			box-shadow: 0px 1px 3px #333;
			cursor: pointer;
			margin-left: -35px;
		}
		
		.key1{
			background: #1FBCE9;
			margin-left: 50px;
		}
		.key2{
			background: #53A5EA;
		}
		.key3{
			background: #9288EC;
		}
		.key4{
			background: #C173ED;
		}
		.key5{
			background: #D367C0;
		}
		.key6{
			background: #E45B8F;
		}
		.key7{
			background: #F4505F;
		}
	</style>
	

</head>

<body>
	<div id="wrap">
		<audio id="press1"> 
			<source src="1.mp3" type="audio/mpeg">
			不支持。
		</audio>
		<audio id="press2"> 
			<source src="2.mp3" type="audio/mpeg">
			不支持。
		</audio>
		<audio id="press3"> 
			<source src="3.mp3" type="audio/mpeg">
			不支持。
		</audio>
		<audio id="press4"> 
			<source src="4.mp3" type="audio/mpeg">
			不支持。
		</audio>
		<audio id="press5"> 
			<source src="5.mp3" type="audio/mpeg">
			不支持。
		</audio>
		<audio id="press6"> 
			<source src="6.mp3" type="audio/mpeg">
			不支持。
		</audio>
		<audio id="press7"> 
			<source src="7.mp3" type="audio/mpeg">
			不支持。
		</audio>
		    <div id="keys">
		<button class="box key1" onClick="audioPlay1()" onMouseOver="getOpacity(0)" onMouseOut="resort(0)">1</button>
				
		<button class="box key2" onClick="audioPlay2()" onMouseOver="getOpacity(1)" onMouseOut="resort(1)">2</button>
				
		<button class="box key3" onClick="audioPlay3()" onMouseOver="getOpacity(2)" onMouseOut="resort(2)">3</button>
				
		<button class="box key4" onClick="audioPlay4()" onMouseOver="getOpacity(3)" onMouseOut="resort(3)">4</button>
				
		<button class="box key5" onClick="audioPlay5()" onMouseOver="getOpacity(4)" onMouseOut="resort(4)">5</button>
				
		<button class="box key6" onClick="audioPlay6()" onMouseOver="getOpacity(5)" onMouseOut="resort(5)">6</button>
				
		<button class="box key7" onClick="audioPlay7()" onMouseOver="getOpacity(6)" onMouseOut="resort(6)">7</button>
			</div>
	</div>
		<script>
			
		//點擊時透明度變成原來的50%	
		function getOpacity(i){
		   $(".box").eq(i).css("opacity","0.5");	
		}
		function resort(i){
			$(".box").eq(i).css("opacity","1");	
			}
			
	    function audioPlay1(){
		document.getElementById("press1").play();
	    }
		function audioPlay2(){
		document.getElementById("press2").play();
	    }
		function audioPlay3(){
		document.getElementById("press3").play();
	    }
		function audioPlay4(){
		document.getElementById("press4").play();
	    }
		function audioPlay5(){
		document.getElementById("press5").play();
	    }
		function audioPlay6(){
		document.getElementById("press6").play();
	    }
		function audioPlay7(){
		document.getElementById("press7").play();
	    }
	</script>
</body>
</html>