String.prototype.toLowerCase()
Baseline
Widely available
This feature is well established and works across many devices and browser versions. Itâs been available across browsers since 2015ë 7ì.
String ê°ì toLowerCase() ë©ìëë ì문ìë¡ ë³íë ì´ ë¬¸ìì´ì ë°íí©ëë¤.
ìëí´ ë³´ê¸°
const sentence = "The quick brown fox jumps over the lazy dog.";
console.log(sentence.toLowerCase());
// Expected output: "the quick brown fox jumps over the lazy dog."
구문
js
toLowerCase()
매ê°ë³ì
ìì.
ë°í ê°
ì문ìë¡ ë³íë í¸ì¶ 문ìì´ì íííë ìë¡ì´ 문ìì´.
ì¤ëª
toLowerCase() ë©ìëë ì문ìë¡ ë³íë 문ìì´ì
ê°ì ë°íí©ëë¤. toLowerCase()ë 문ìì´ str ìì²´ì
ê°ìë ìí¥ì ì£¼ì§ ììµëë¤.
ìì
toLowerCase() ì¬ì©í기
js
console.log("ALPHABET".toLowerCase()); // 'alphabet'
ëª ì¸ì
| Specification |
|---|
| ECMAScript® 2027 Language Specification # sec-string.prototype.tolowercase |