Netflix Interview Question
Write a function that returns a map of the totaled occurrences of elements within an array.
Interview Answer
Anonymous
Jul 15, 2017
function totalOccurences(arr) { if (!Array.isArray(arr)) throw new Error('Param as {array} is required'); return arr.reduce((acc, curr) => { if (acc.hasOwnProperty(curr)) acc[curr] += 1; else acc[curr] = 1; return acc; }, {}); }
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