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Showing content from https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Errors/Negative_repetition_count below:

RangeError: repeat count must be non-negative - JavaScript

RangeError: repeat count must be non-negative ë©ìì§

    RangeError: repeat count must be non-negative (Firefox)
    RangeError: Invalid count value (Chrome)

ìë¬ íì ë¬´ìì´ ìëª»ëììê¹?

String.prototype.repeat() ë©ìëê° ì¬ì©ëììµëë¤. ì´ ë©ìëë ë¬¸ìì´ì´ ë°ë³µëë ìë¥¼ ìì¸¡íë ì¹´ì´í¸ íë¼ë©í°ë¥¼ ê°ì§ê³ ìììµëë¤. ì´ íë¼ë©í°ë 0ë³´ë¤ í¬ê³ , ìì Infinity ë³´ë¤ë ìì¼ë©°, ììë ë ì ììµëë¤. ì´ ë²ìë ì´ë ê² íí ë ì ììµëë¤. : [0, +â)

ì íì©ëì§ ìë ê²½ì°

"abc".repeat(-1); // RangeError

íì©ëë ê²½ì°

"abc".repeat(0); // ''
"abc".repeat(1); // 'abc'
"abc".repeat(2); // 'abcabc'
"abc".repeat(3.5); // 'abcabcabc' (ìë ì ìë¡ ë³íë  ê²ìëë¤.)

ì°¸ì¡°

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