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Pierre-M/arrayFilter.js

Created January 7, 2020 08:52
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Interview question by Cassidy Williams (2020-01-06 newsletter)
Raw
arrayFilter.js
Array.prototype.filter = function(predicate) {
const filteredArray = [];
this.forEach((el, idx) => {
if (predicate(el, idx, this)) {
filteredArray.push(el);
}
});
return filteredArray;
};
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