String.prototype.toLowerCase()
Method toLowerCase() mengembalikan nilai string yang dipanggil yang telah dikonversi ke lowercase (huruf kecil).
Sintaks
str.toLowerCase()Deskripsi
Method toLowerCase() mengembaikan nilai dari string yang telah dikonversi ke lowercase. toLowerCase() tidak berdampak pada nilai string pada variabel str itu sendiri.
Contoh
Penggunaan toLowerCase()
console.log('ALPHABET'.toLowerCase()); // 'alphabet'
Spesifikasi
| 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.toLowerCase' in that specification. |
Standard | |
| ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'String.prototype.toLowerCase' in that specification. |
Standard | |
| ECMAScript (ECMA-262) The definition of 'String.prototype.toLowerCase' in that specification. |
Living Standard |
Kompabilitas browser
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| Fitur | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Dukungan dasar | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
| Fitur | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Dukungan dasar | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |