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davidryanhuff/Count Items in Array

Created July 22, 2017 00:36
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Count Items in Array
const array = [ 'NORTH', 'SOUTH', 'SOUTH', 'EAST', 'WEST', 'NORTH', 'WEST' ]
const count = array.sort().reduce((counter, item) => {
counter[item] = counter.hasOwnProperty(item) ? counter[item] + 1 : 1;
return counter;
}, {})
console.log(count)
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