string.toLocaleUpperCase()
const city = 'istanbul';
city.toLocaleUpperCase('en-US'); // "ISTANBUL"
city.toLocaleUpperCase('TR'); // "ฤฐSTANBUL"Syntax
str.toLocaleUpperCase()
str.toLocaleUpperCase(locale)
str.toLocaleUpperCase([locale, locale, ...])Parameters
Return value
Exceptions
Description
Examples
toLocaleUpperCase() ์ฌ์ฉํ๊ธฐ
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