The toLocaleString() method returns a string with a language sensitive representation of this date. The new locales and options arguments let applications specify the language whose formatting conventions should be used and customize the behavior of the function. In older implementations, which ignore the locales and options arguments, the locale used and the form of the string returned are entirely implementation dependent.

Date Internationalization JavaScript Method Prototype Reference

The toLocaleTimeString() method returns a string with a language sensitive representation of the time portion of this date. The new locales and options arguments let applications specify the language whose formatting conventions should be used and customize the behavior of the function. In older implementations, which ignore the locales and options arguments, the locale used and the form of the string returned are entirely implementation dependent.

Date Internationalization JavaScript Method Prototype Reference

The Intl.DateTimeFormat.prototype.formatToParts() method allows locale-aware formatting of strings produced by DateTimeFormat formatters.

DateTimeFormat Internationalization Intl JavaScript Method Prototype

The localeCompare() method returns a number indicating whether a reference string comes before or after or is the same as the given string in sort order.

Internationalization JavaScript Method Prototype Reference String

The toLocaleLowerCase() method returns the calling string value converted to lower case, according to any locale-specific case mappings.

Internationalization JavaScript Method Prototype Reference String

The toLocaleUpperCase() method returns the calling string value converted to upper case, according to any locale-specific case mappings.

Internationalization JavaScript Method Prototype Reference String

API Deprecated Interface Internationalization Reference Référence Web Audio API