const arr = ["a", "b", "c", "d", "d", "e", "a", "b", "c", "f", "g", "h", "h", "h", "e", "a"];
const counts = arr.reduce((acc, value) => ({
...acc,
[value]: (acc[value] || 0) + 1
}), {});
console.log(counts);
< html lang = "en" > < head > < meta charset = "UTF-8" > < meta name = "viewport...
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