How to use localeCompare function-JS Tutorial-php.cn

How to use localeCompare function

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Release： 2019-02-18 11:39:01

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localeCompare() is a built-in function in How to use localeCompare function that can be used to compare any two elements in a specific order. Let's take a quick look at the specific usage of the localeCompare function.

How to use localeCompare function

Let’s first take a look at the basic syntax of the localeCompare function

stringObject.localeCompare(target)

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Explanation: If stringObject is less than target, localeCompare() returns A number less than 0. If stringObject is greater than target, this method returns a number greater than 0. If the two strings are equal, or there is no difference according to local collation, this method returns 0.

Let’s look at specific examples

The code is as follows

<!DOCTYPE html>
<html>
<head>
  <title></title>
</head>
<body>
<script> 
    a = &#39;n&#39;.localeCompare(&#39;z&#39;); 
    document.write(a + &#39;<br>&#39;) 
  
    b = &#39;gfg&#39;.localeCompare(&#39;geeksforgeeks&#39;); 
    document.write(b + &#39;<br>&#39;) 
  
    c = &#39;a&#39;.localeCompare(&#39;a&#39;); 
    document.write(c) 
  
</script> 
</body>
</html>

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The output results are as follows

-1
1
0

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The localeCompare function can also sort elements

The code is as follows

<!DOCTYPE html>
<html>
<head>
  <title></title>
</head>
<body>
<script> 
    var elements = [ &#39;go&#39;, &#39;php&#39;, &#39;css&#39;, &#39;How to use localeCompare function&#39; ]; 
    a = elements.sort((a, b) => a.localeCompare(b)); 
    document.write(a) 
</script> 
</body>
</html>

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The output result is as follows:

css,go,How to use localeCompare function,php

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