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simonschwartz/array-diff-comparer.js

Last active February 4, 2018 23:30
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array-diff-comparer.js
// Compare two arrays(primary and secondary) and return all array items that are unique to the primary array
const getDiff = (primaryArray, secondaryArray) => {
return primaryArray.filter(item => secondaryArray.indexOf(item) === -1);
};
// getDiff([1, 2, 3, 5], [1, 3, 4])
// => [2, 5]
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