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How to use sort method

不言Original: 2019-02-15 17:48:0013902browse

The sort method is used to sort the array. Its usage syntax is "array.sort()"; the sort function can have the parameter "[compareFunction]". This parameter is a comparison function and is used according to the Different attributes and different orders sort elements.

The operating environment of this article: windows7 system, javascript version 1.8.5, Dell G3 computer.

The sort method is a built-in method in JavaScript, which is used to sort arrays. Arrays can be of any type, namely strings, numbers, characters, etc. Let’s take a look at the specific use of the sort method in this article.

Let’s first take a look at the basic syntax of sort()

array.sort（）

In the sort function, you can have parameters [compareFunction], this parameter is Comparison function, used to sort elements according to different attributes and different orders. If there is no this parameter, the sorting will be in ascending order.

Let’s look at the specific examples

The code is as follows

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title></title>
</head>
<body>
<script> 
function func() { 
    var arr = [2, 5, 8, 1, 4] 
    document.write(arr.sort());  
} 
func(); 
</script> 
</body>
</html>

The running results are as follows:

1,2,4,5,8

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php JavaScript Array sort 字符串

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