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https://stackoverflow.com › questions › 5915789

javascript - How to replace item in array? - Stack Overflow

Best way in just one line to replace or update item of array. array.splice(array.indexOf(valueToReplace), 1, newValue) Eg: let items = ['JS', 'PHP', 'RUBY']; let replacedItem = items.splice(items.indexOf('RUBY'), 1, 'PYTHON') console.log(replacedItem) //['RUBY'] console.log(items) //['JS', 'PHP', 'PYTHON'] Second method

https://stackoverflow.com › questions › 17511273

javascript - How to replace elements in array with elements of another ...

You can use the splice method to replace part of an array with items from another array, but you have to call it in a special way as it expects the items as parameters, not the array.

https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › Array › ...

Array.prototype.splice() - JavaScript | MDN - MDN Web Docs

The splice() method of Array instances changes the contents of an array by removing or replacing existing elements and/or adding new elements in place. To create a new array with a segment removed and/or replaced without mutating the original array, use toSpliced() .

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

How to Replace an Element in an Array in JavaScript

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.

How to Replace an Element in an Array in JavaScript

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

Find and Replace elements in Array with JavaScript

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];

Find and Replace elements in Array with JavaScript

https://www.slingacademy.com › ... › javascript-update-replace-a-specific-element-in-an-array

JavaScript: Update/Replace a Specific Element in an Array

The splice() method allows you to add or remove elements from an array. You can use it to replace an element by specifying the index, the number of elements to remove (which is 1 in this case), and the new element to add.

https://attacomsian.com › blog › javascript-array-splice

How to add, remove, and replace items using Array.splice() in JavaScript

In JavaScript, the Array.splice() method can be used to add, remove, and replace elements from an array. This method modifies the contents of the original array by removing or replacing existing elements and/or adding new elements in place.

How to add, remove, and replace items using Array.splice() in JavaScript

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

Javascript Array.replace: Techniques and Examples - JsDown-Strap

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.

Javascript Array.replace: Techniques and Examples - JsDown-Strap

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

Replace Item in Array with JavaScript - HereWeCode

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. It also returns -1 if the condition is not met in the array.

Replace Item in Array with JavaScript - HereWeCode

https://www.javascripttutorial.net › javascript-array-splice

JavaScript Array splice: Delete, Insert, and Replace - JavaScript Tutorial

How to use the JavaScript Array splice method to delete existing elements, insert new elements, and replace elements in an array.