String.prototype.toLowerCase()

toLowerCase() ๋ฉ”์„œ๋“œ๋Š” ๋ฌธ์ž์—ด์„ ์†Œ๋ฌธ์ž๋กœ ๋ณ€ํ™˜ํ•ด ๋ฐ˜ํ™˜ํ•ฉ๋‹ˆ๋‹ค.
 

๊ตฌ๋ฌธ

str.toLowerCase()

๋ฐ˜ํ™˜๊ฐ’

ํ˜ธ์ถœ ๋ฌธ์ž์—ด์„ ์†Œ๋ฌธ์ž๋กœ ๋ณ€ํ™˜ํ•œ ์ƒˆ๋กœ์šด ๋ฌธ์ž์—ด

์„ค๋ช…

toLowerCase() ๋ฉ”์„œ๋“œ๋Š” ํ˜ธ์ถœ ๋ฌธ์ž์—ด์„ ์†Œ๋ฌธ์ž๋กœ ๋ณ€ํ™˜ํ•ด ๋ฐ˜ํ™˜ํ•ฉ๋‹ˆ๋‹ค.  toLowerCase() ๋Š” ์›๋ž˜์˜ str์— ์˜ํ–ฅ์„ ์ฃผ์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

์˜ˆ์ œ

 toLowerCase()

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

๋ช…์„ธ

ํ‘œ์ค€ ์ƒํƒœ ๋น„๊ณ 
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  

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