JavaScript Intl ListFormat supportedLocalesOf() Method
Last Updated :
25 May, 2023
The Intl.ListFormat.supportedLocalesOf() method is an inbuilt method in JavaScript that returns an array containing those of the provided locales that are supported in list formatting.
Syntax:
Intl.ListFormat.supportedLocalesOf(locales, options)
Parameters: This method accepts two parameters as mentioned above and described below:
- locales: This parameter holds a string with a BCP 47 language tag or an array of such strings.
- options: It is an optional parameter. It is an object that has localeMatcher property. localeMatcher is the locale-matching algorithm to use. It has the values “lookup” and “best fit”.
Return value: This method returns an array of strings representing the subset of the given locale tags that are supported in list formatting.
The below examples illustrate the Intl.ListFormat.supportedLocalesOf() method in JavaScript:
Example 1: In this example, we will see the basic use of the Intl.ListFormat.supportedLocalesOf() method in JavaScript.
javascript
<script>
const geeks = ['ban', 'id-u-co-pinyin', 'de-ID'];
const result = { localeMatcher: 'lookup' };
let val = Intl.ListFormat.supportedLocalesOf(geeks, result).join(', ');
console.log(val);
</script>
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Output:
"id-u-co-pinyin, de-ID"
Example 2: In this example, we will see the basic use of the Intl.ListFormat.supportedLocalesOf() method in JavaScript.
javascript
<script>
const geeks = ['ban', 'id-u-co-pinyin', 'de-ID'];
let val = Intl.ListFormat.supportedLocalesOf(geeks).join(', ');
console.log(val);
</script>
|
Output:
"id-u-co-pinyin, de-ID"
We have a complete list of Javascript Intl methods, to check those please go through the Javascript Intl Complete Reference article.
Supported Browsers: The browsers supported by Intl.ListFormat.supportedLocalesOf() method are listed below:
- Google Chrome 72 and above
- Edge 79 and above
- Firefox 78 and above
- Opera 60 and above
- Safari 14.1 and above