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js 简单实现评分打星功能

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系统中有一个选择星级的功能,需求不是很复杂,所以没用插件,自己简单的写了一个js的实现

 



 

 

 

直接上代码:

 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <title> New Document </title>
  <meta name="Generator" content="EditPlus">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
  <style>
	.start_zyz{
		cursor:pointer;
	}

  </style>
 </head>

 <body>

 <script type="text/javascript">
 <!--
		function clickStart(index){
			//★


			clearStart();
			// hide = index

			for(var i=1;i<=index;i++){
					var span = document.getElementById('start'+i);
					//alert('span-->'+span)
					span.innerHTML='★';
			}

		}



		function clearStart(){
			//★

					// hide = index

			for(var i=1;i<=8;i++){
					var span = document.getElementById('start'+i);

					span.innerHTML='☆';
			}

		}
 //-->
 </script>


			<span onclick='clickStart(1)' id='start1' class='start_zyz'>☆</span>
			<span onclick='clickStart(2)' id='start2' class='start_zyz'>☆</span>
			<span onclick='clickStart(3)' id='start3' class='start_zyz'>☆</span>
			<span onclick='clickStart(4)' id='start4' class='start_zyz'>☆</span>
			<span onclick='clickStart(5)' id='start5' class='start_zyz'>☆</span>
			<span onclick='clickStart(6)' id='start6' class='start_zyz'>☆</span>
			<span onclick='clickStart(7)' id='start7' class='start_zyz'>☆</span>
			<span onclick='clickStart(8)' id='start8' class='start_zyz'>☆</span>





 </body>
</html>

 

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