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Use of the localeCompare () method to operate strings in JavaScript

Source: Internet
Author: User
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Use of the localeCompare () method to operate strings in JavaScript

This article describes how to use the localeCompare () method to operate strings in JavaScript. It is the basic knowledge of getting started with JavaScript. For more information, see

This method returns a number indicating whether the reference string is a string given before, after, or in the same sort order.

Syntax

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String. localeCompare (param)

The following is the detailed information about the parameters:

Param: String object to be compared

Return Value:

0: String Matching 100%

1: Mismatch. The parameter value comes before the value of the sort order string object in the language environment.

-1: Mismatch. The parameter value comes after the value of the sort sequence String object in the language environment.

Example:

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<Html>

<Head>

<Title> JavaScript String localeCompare () Method </title>

</Head>

<Body>

<Script type = "text/javascript">

Var str1 = new String ("This is beautiful string ");

Var index = str1.localeCompare ("XYZ ");

Document. write ("localeCompare first:" + index );

 

Document. write ("<br/> ");

 

Var index = str1.localeCompare ("AbCD? ");

Document. write ("localeCompare second:" + index );

 

</Script>

</Body>

</Html>

This produces the following results:

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2

LocaleCompare first:-1

LocaleCompare second: 1

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