Array methods in javascript

An array in JS is a data structure used to store multiple values in a single variable. It can hold various data types and allows for dynamic resizing. Elements are accessed by their index, starting from 0.

1.

Array of objects javascript

Array of objects javascript

Types of array in javascript

Javascript add to array

Foreach javascript

Array in javascript example

Create Array using Literal

Creating an array using array literal involves using square brackets [] to define and initialize the array.

2. Create using new Keyword (Constructor)

The “Array Constructor” refers to a method of creating arrays by invoking the Array constructor function.

Note: Both the above methods do exactly the same. Use the array literal method for efficiency, readability, and speed.

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Accessing Elements of an Array

Any element in the array can be accessed using the index number. The index in the arrays starts with 0.

2.

Create array javascript with length

Accessing the First Element of an Array

The array indexing starts from 0, so we can access first element of array using the index number.

3. Accessing the Last Element of an Array

We can access the last array element using [array.length – 1] index

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