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mattbontrager/array-elements-difference.js

Last active March 3, 2020 20:55
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Find different elements between two arrays.
Raw
array-elements-difference.js
Array.prototype.diff = function(arr2) {
let arr1 = this;
let diff = new Set();
arr1.forEach(item => !arr2.includes(item) && diff.add(item));
arr2.forEach(item => !arr1.includes(item) && diff.add(item));
return Array.from(diff);
};
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