JavaScript offers multiple ways to merge arrays. You can use either the spread operator [...array1, ...array2], or a functional way [].concat(array1, array2) to merge 2 or more arrays. These approaches are immutable because the merge result is stored in a new array. To perform a ...
In this topic, we will learn how to merge arrays together in JavaScript. Also, we will learn how to get the unique elements in the resulted merge array or remove duplicate elements from the resulted merge array. In this topic, we will explain the three different ways to merge arrays and ...
In vanilla JavaScript, there are multiple ways to combine all elements of two arrays and returns a new array. You can either use theArray.concat()method or the spread operator (...) to merge multiplearrays. TheArray.concat()takes in one or more arrays as input and merges all subsequent ...
You can simply use the concat() method to merge two or more JavaScript arrays. This method does not change the existing arrays, but instead returns a new array.Let's try out the following example to understand how it basically works:
2 Ways to Merge Arrays in JavaScriptHere are 2 ways to combine your arrays and return a NEW array. I like using the Spread operator. But if you need older browser support, you should use Concat.// 2 Ways to Merge Arrays const cars = ['🚗', '🚙']; const trucks = ['🚚', ...
5 JavaScript Merge Two Arrays 6 7 8 9 let pets = ["Cat", "Dog", "Parrot"]; 10 let wilds = ["Tiger", "Wolf", "Zebra"]; 11 12 // Creating new array by combining pets and wilds arrays 13 var animals = pets.concat(wilds); 14 document.write(animals); // Prints: Cat,...
Call concat() on the first array, and pass each array to merge with it in as arguments. It returns a new array.
Here’s another computer science classic: how do you merge two arrays? My preferred way in 2018 is to use the spread operator, though previously concat() was probably the most common approach. You can also use a for loop in interesting ways to achieve the same result. const a = [ 1,...
To merge two or more arrays together in JavaScript, you can use theArray.prototype.push.apply() Let’s say we have two fruit baskets, and we want all the fruits in one basket. Not a problem. ES5 varfruitBasketOne=["apple","banana","grapes"]varfruitBasketTwo=["orange","apricot","pe...
This article explores different ways to merge multiple arrays in Kotlin into a single array. The solution should maintain the original order of elements in individual arrays. 1. Using Plus Operator A simple and fairly efficient solution to combine two arrays in Kotlin is with the plus operator....