const dayOfWeek = prompt('ENTER A DAY').toLowerCase();
// const๋Š” ์ƒ์ˆ˜. prompt์ฐฝ์— ENTER A DAY๋ผ๊ณ  ๋œฌ๋‹ค. 
// toLowerCase()๊ฐ€ ์š”์ผ์„ ๋Œ€๋ฌธ์ž๋กœ ์ ์–ด๋„ ์ž๋™์œผ๋กœ ์†Œ๋ฌธ์ž๋กœ ๋ฐ”๊ฟ”์„œ ์ธ์‹ํ•˜๋„๋ก ํ•จ.

if (dayOfWeek === 'monday') {
    console.log("UGHHH I HATE MONDAYS!")
    
} else if (dayOfWeek === 'saturday') {
    console.log("YAY I LOVE SATURDAYS!")
    //else if ๋Š” if ๋ฌธ์ด ์„ ํ–‰๋˜์–ด์•ผ๋งŒ ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•จ. if๋ฌธ์ด ๊ฑฐ์ง“์ผ ๋•Œ else if๋ฌธ์ด ์ž‘๋™
} else if (dayOfWeek === 'friday') {
    console.log("FRIDAYS ARE DECENT, ESPECIALLY AFTER WORK!")
} else {
    console.log("MEH")
    // else if ๋„ ์•„๋‹Œ ๋‚˜๋จธ์ง€ ์š”์ผ์€ else๋กœ ๋„˜์–ด๊ฐ€๊ฒŒ ๋จ.
    // ์ฆ‰ ํ™”,์ˆ˜,๋ชฉ,์ผ์š”์ผ์„ ์ ์„ ๊ฒฝ์šฐ ์ฝ˜์†”์ฐฝ์— "MEH"๊ฐ€ ๋‚˜ํƒ€๋‚˜๊ฒŒ ๋จ.
    // else if๋Š” ๊ฐ€์žฅ ๋งˆ์ง€๋ง‰์— ์‚ฌ์šฉ๋˜์–ด์•ผ ํ•จ
}

โ€ป ์ด ๋•Œ === ์œผ๋กœ ์ ์–ด์ค˜์•ผ ํ•œ๋‹ค.
์™œ๋ƒํ•˜๋ฉด string ์ธ์ง€ number์ธ์ง€ ๊ตฌ๋ณ„์„ ํ•ด์•ผํ•˜๊ธฐ ๋•Œ๋ฌธ์ด๋‹ค.

๋ธŒ๋ผ์šฐ์ €๋ฅผ ์—ด๋ฉด ๊ฐ€์žฅ ๋จผ์ € ํ”„๋กฌํ”„ํŠธ ์ฐฝ์ด ๋œฌ๋‹ค.
์ด์ œ ์š”์ผ์„ ์ž…๋ ฅํ•ด๋ณด์ž
์ด ๋•Œ ์ฃผ์˜ํ•  ์ ์€ ํ•œ๊ธ€์ด ์•„๋‹Œ ์˜์–ด๋กœ ์š”์ผ์„ ์ ์–ด์•ผ ํ•จ.




์ด๋ฒˆ์—๋Š” sunday๋ฅผ ์ž…๋ ฅํ•ด ๋ณด์•˜๋‹ค.

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