We're looking for a person or people to help audit MDN to find places we could speed up. Is this you or someone you know? Check out the RFP: https://mzl.la/2IHcMiE

Method toUpperCase() mengembalikan nilai string pemanggil dikonversi ke huruf besar.




Method toUpperCase() mengembalikan nilai string diconversikan ke huruf besar. toUpperCase() tidak mempengaruhi nilai string itu sendiri.


Penggunaan toUpperCase()

console.log('alphabet'.toUpperCase()); // 'ALPHABET'


Spesifikasi Status Comment
ECMAScript 1st Edition (ECMA-262) Standard Initial definition. Implemented in JavaScript 1.0.
ECMAScript 5.1 (ECMA-262)
The definition of 'String.prototype.toUpperCase' in that specification.
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'String.prototype.toUpperCase' in that specification.
ECMAScript Latest Draft (ECMA-262)
The definition of 'String.prototype.toUpperCase' in that specification.

Kompabilitas browser

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) (Yes) (Yes) (Yes) (Yes)
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) (Yes) (Yes) (Yes) (Yes)

Lihat Pula

Tag Dokumen dan Kontributor

 Kontributor untuk laman ini: bekti
 Terakhir diperbarui oleh: bekti,