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Write a JavaScript program to count the occurrences of a value in an array

hamza
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2022-05-18
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Write a JavaScript program to count the occurrences of a value in an array.

JavaScript programming, Programming,
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hamza
2022-05-18
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const countOccurrences = (arr, val) => arr.reduce((a, v) => (v === val ? a + 1 : a), 0);
console.log(countOccurrences([1, 1, 2, 1, 2, 3], 1));
console.log(countOccurrences([1, 1, 2, 1, 2, 3], 2));
console.log(countOccurrences([1, 1, 2, 1, 2, 3], 3));

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