How to useDestructuring Assignment in Javascript
Destructuring Assignment is a JavaScript expression that allows us to unpack values from arrays, or properties from objects, into distinct variables data can be extracted from arrays, objects, and nested objects and assigned to variables.
Example: This example shows the use of the above-explained approach.
let [firstName, , thirdName] = ["alpha", "beta", "gamma", "delta"];
console.log(firstName);//"alpha"
console.log(thirdName);//"gamma"
Output
alpha gamma
JavaScript Program to Access Elements in an Array
In this article, we will learn how to access elements in an array using JavaScript. The Arrays in JavaScript are zero-indexed which means the first element is accessed using index 0 and the second element with index 1 and so on. Accessing elements in an array is a fundamental operation and is essential for various programming tasks.
Below are the following approaches through which we can access elements in an array using JavaScript:
Table of Content
- Using square bracket notation
- Using loop(for or forEach or for…of) Method
- Using map() Method
- Using find() Method
- Using Destructuring Assignment
- Using filter Method