JavaScript String toLocaleUpperCase()
Example
Convert to uppercase:
let text = "Hello World!";
let result = text.toLocaleUpperCase();
Try it Yourself »
Definition and Usage
The toLocaleUpperCase() method converts a string to uppercase letters,
using current locale.
The locale is based on the language settings of the browser.
The toLocaleUpperCase() method does not change the original string.
The toLocaleUpperCase() returns the same result as
toUpperCase(), except for locales
that conflict with the regular Unicode case mappings (such as Turkish).
Syntax
string.toLocaleUpperCase()
Parameters
| NONE |
Return Value
| Type | Description |
| A string. | A new string converted to uppercase according to current locale. |
Browser Support
toLocalUpperCase() is an ECMAScript1 (ES1) feature.
ES1 (JavaScript 1997) is fully supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | Yes |
