https://bobbyhadz.com › blog › javascript-replace-element-in-array

To replace an element in an array, use the `Array.indexOf()` method to get the index of the element. Change the value of the element at the specific index. The value of the array element will get updated in place.

https://www.delftstack.com › howto › javascript › replace-object-in-array-javascript

Replace Object in an Array Using the Index in JavaScript. By knowing the object’s index, we can easily replace any object in an array. It is one of the most common ways to replace the objects in the array in JavaScript. Let’s understand this using a simple example.

https://dev.to › albertomontalesi › find-and-replace-elements-in-array-with-javascript-2e4n

In order to replace an element we need to know its index, so let's see some examples using the methods we just learned: const arr = [1,2,3,4,5]; const index = arr.indexOf(2); arr[index] = 0; arr; // [1,0,3,4,5];

https://strapdownjs.com › javascript-array-replace

Learn how to efficiently replace or append values in a JavaScript array using the spread operator and Array.prototype methods. This comprehensive guide covers the process of creating a shallow copy of an array, finding the index of elements, and performing replacements or appends with ease.

https://herewecode.io › blog › replace-item-array-javascript

If you want to replace an object in an array, you can find its index based on one of its property values. To do that, you can use the JavaScript findIndex method. The findIndex function returns the index of the first element matching the condition.