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      JS Intl.Collator resolvedOptions()

      The Intl.Collator.prototype.resolvedOptions() method returns a new object with properties reflecting the locale and collation options computed during initialization of this Collator object.

      The source for this interactive example is stored in a GitHub repository. If you’d like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.

      Syntax

      collator.resolvedOptions()
      

      Return value

      A new object with properties reflecting the locale and collation options computed during the initialization of the given Collator object.

      Description

      The resulting object has the following properties:

      locale

      The BCP 47 language tag for the locale actually used. If any Unicode extension values were requested in the input BCP 47 language tag that led to this locale, the key-value pairs that were requested and are supported for this locale are included in locale.

      usage

      sensitivity

      ignorePunctuation

      The values provided for these properties in the options argument or filled in as defaults.

      collation

      The value requested using the Unicode extension key "co", if it is supported for locale, or "default".

      numeric

      caseFirst

      The values requested for these properties in the options argument or using the Unicode extension keys "kn" and "kf" or filled in as defaults. If the implementation does not support these properties, they are omitted.

      Examples

      Using the resolvedOptions method

      var de = new Intl.Collator('de', { sensitivity: 'base' })
      var usedOptions = de.resolvedOptions();
      
      usedOptions.locale;            // "de"
      usedOptions.usage;             // "sort"
      usedOptions.sensitivity;       // "base"
      usedOptions.ignorePunctuation; // false
      usedOptions.collation;         // "default"
      usedOptions.numeric;           // false
      
      

      Specifications

      SpecificationStatusComment
      [ECMAScript Internationalization API 1.0 (ECMA-402)
      The definition of ‘Intl.Collator.prototype.resolvedOptions’ in that specification.](https://www.ecma-international.org/ecma-402/1.0/#sec-10.3.3)StandardInitial definition.
      [ECMAScript Internationalization API 2.0 (ECMA-402)
      The definition of ‘Intl.Collator.prototype.resolvedOptions’ in that specification.](https://www.ecma-international.org/ecma-402/2.0/#sec-10.3.3)Standard 
      [ECMAScript Internationalization API 4.0 (ECMA-402)
      The definition of ‘Intl.Collator.prototype.resolvedOptions’ in that specification.](https://tc39.es/ecma402/#sec-Intl.Collator.prototype.resolvedOptions)Draft 

      See also

      目录
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