Web Reference: Oct 6, 2021 · In this article, I will be talking about three popular array methods; the filter() method, the map() method and the forEach() method,and I will be showing how they are used. When you go to loop through (or iterate through) an array, the first thing you think of is probably a for loop. .forEach (), .map () and .filter () are all just other ways of iterating through arrays to perform a specific task on each element of the array, and are called methods. Jun 13, 2025 · These methods — map(), filter(), reduce(), and forEach() — are higher-order functions. That means they take a function as an argument and apply it to each element in an array.
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