JavaScript排序算法——选择排序

时间：2022-05-31 12:31:27
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>选择排序</title>

<!--<link rel="stylesheet" type="text/css" href="../style/fdt.css" />-->

<script type="text/javascript" src="../js/jquery-1.6.2.min.js"></script>

<script type="text/javascript" src="../js/jquery.easydrag.handler.beta2.js"></script>

<script type="text/javascript">

	$(document).ready(

		function() { 

			var array_1 = [9,8,7,6,5,4,3,2,1];

			alert(array_1);

			/*selectionSort*/

		    alert(selectionSort(array_1));

		}

	); 

</script>

<style type="text/css">

	* { padding:0; margin:0; }

	body {

		padding: 100px;

		font-size: 15px;

	}

</style>

<script type="text/javascript">

	function selectionSort(array){

		var len = array.length;

		var index = 0;

		var k;

		var item;

		var c;

		for(var i=0; i<len; i++){

			//最小的数

			item = array[i];

			//最小的数的位置编号

			index = i;

			//寻找最小的数位置

			for(j=i+1; j<len;j++){

				if(array[j] < item){

					index = j;

					item = array[j];

				}

			}

			if(index != i){

				c = array[i];

				array[i] = array[index];

				array[index] = c;

			}

		}

		return array;

	}

</script>

</head>

<body>

	<div>选择排序</div>

</body>

</html>

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