JS中 sort 其中的三种用法

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
</body>
<script>
      var arr=[1,3,5,6,43,32];
        arr.sort(function(a,b){
     
     
            return a-b;
        });//从小到大排序
        console.log(arr);


		var arr1=[1,3,5,6,43,32];
		arr1.sort(function(a,b){
     
     
		    return b-a;
		}); //从大到小排序
		console.log(arr1)

	    var arr2 = [1,2,3,5,6,6,12,321,13]
	    var arr2 = arr2.sort(function(){
     
     
	        return Math.random()-0.5;
	    })      //随机排序
    console.log(arr2)
</script>
</html>

猜你喜欢

转载自blog.csdn.net/qq_26705343/article/details/113106618