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July 4, 2025 11:49
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arithmetic to lowercase
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| const uppercase = s => [...s].map(c =>(n = c.charCodeAt(0), String.fromCharCode(n - 32 * (n >= 97 && n <= 122)))).join(''); | |
| console.log(uppercase('a4raf32aso"§%&/fu4f22')) // "A4RAF32ASO'§%&/FU4F22" |
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