Jan 25, 2016 · The most concise way to remove duplicates from an array using native javascript functions is to use a sequence like below: vals.sort().reduce(function(a, b){ if (b != a[0]) …

Mar 10, 2023 · Fortunately, in Javascript, there are some easy and surprisingly effective ways to remove duplicates from that array. The most common techniques are using the Set object, …

Jan 9, 2025 · We can also use a third-party library such as Lodash or Underscore.js to remove duplicate elements from a Javascript array. The _.uniq() function returns the array which does …

The for...of loop is used to loop through all the elements of an arr array. The indexOf() method returns -1 if the element is not in the array. Hence, during each iteration, if the element equals …

Feb 19, 2019 · first initialize result with empty array. Then iterate through passed array, check if the index is its first occurance of item. push to result array. return result array. Alternative …

May 29, 2024 · Given an array of numbers or strings containing some duplicate values, the task is to remove these duplicate values from the array without creating a new array or storing the …

Nov 14, 2024 · There are various approaches to remove duplicate elements, that are discussed below. 1. Using set () – The Best Method. Convert the array into a Set in JS, which stores …

May 27, 2024 · This tutorial will cover the different methods to remove duplicates from an Array, including using a for loop.

Mar 28, 2025 · Method 5: Using a for() Loop to Remove Duplicates. Using for() loop also helps you to remove the duplicate values from an array. It can check each value of the original array …

Aug 25, 2021 · Here is one example of remove duplicates from an array in JavaScript using a for loop: const dedupeArray = someArray => { const history = { } const newDeduplicatedArray = [ ] …