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Anjali Gurjar
Anjali Gurjar

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out put {"abc":2,"pqr":1}

const arr = ["abc", "pqr", "abc", "xyz", "xyz"];

const frequency = arr.reduce((acc, item) => {
acc[item] = (acc[item] || 0) + 1;
return acc;
}, {});

console.log(frequency);

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