frequencyCountUsingMap

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let str = 'I am excited to join a new company'; function findOccurrencesOfEveryChar(string) { const obj = new Map(); for (const char of string.toLowerCase()) { if (/[a-z]/.test(char)) { // Only count alphabetic characters obj.set(char, (obj.get(char) || 0) + 1); } } return obj; } console.log(findOccurrencesOfEveryChar(str));
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