Intl.Collator
Creates an Intl.Collator object that enables language-sensitive string comparison
Syntax
new Intl.Collator(locales?, options?)Parameters
| Parameter | Type | Description |
|---|---|---|
| locales | string | string[] | A BCP 47 language tag or array of tags |
| options | Intl.CollatorOptions | Options: sensitivity, caseFirst, numeric, usage |
Return Value
An Intl.Collator object with a compare() method
Examples
const collator = new Intl.Collator('en')
const sorted = ['banana', 'apple', 'Cherry'].sort(collator.compare)
console.log(sorted) // ['apple', 'banana', 'Cherry']const collator = new Intl.Collator('en', { sensitivity: 'base' })
console.log(collator.compare('a', 'A')) // 0 (equal)
console.log(collator.compare('a', 'b')) // negativeconst collator = new Intl.Collator('en', { numeric: true })
const files = ['file10', 'file2', 'file1', 'file20']
console.log(files.sort(collator.compare))
// ['file1', 'file2', 'file10', 'file20']Understanding Intl.Collator
The Intl.Collator method in JavaScript creates an Intl.Collator object that enables language-sensitive string comparison. It belongs to the Intl object and is one of the most widely used methods for working with intl values in modern JavaScript and TypeScript applications.
The method signature is new Intl.Collator(locales?, options?). It accepts 2 parameters: locales, options. When called, it returns an intl.collator object with a compare() method. Understanding when and how to use Collator() helps you write more expressive, readable code.
Common use cases for Intl.Collator include data transformation, input validation, API response processing, and building reusable utility functions. It works well alongside related methods like intl-collator-compare, intl-segmenter, intl-numberformat, enabling you to chain operations together for complex data manipulation pipelines.
Browser support for Intl.Collator is excellent across all modern browsers including Chrome, Firefox, Safari, and Edge. It is also fully supported in Node.js and Deno. For older environments, transpilation with Babel or a polyfill may be needed.
Browser Compatibility
Supported in all modern browsers (Chrome, Firefox, Safari, Edge) and Node.js. Part of the ECMAScript standard.
Related Methods
Intl.Collator.prototype.compareCompares two strings according to the locale and collation options of this Intl.Collator object
Intl.SegmenterCreates an Intl.Segmenter object that enables locale-sensitive text segmentation into graphemes, words, or sentences
Intl.NumberFormatCreates an Intl.NumberFormat object that enables language-sensitive number formatting
More Intl Methods
Other methods in the Intl object
Related Tools
More Intl Methods
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