How to remove element from beginning of array

In this article we will learn how to remove element from beginning of an array in JavaScript.

It is very common to remove element from beginning of an array in JavaScript in JavaScript.

Problem

Now we have a problem, which is that we want to remove an element from the beginning of the array.

Imagine we have a array like that:

const array = [1, 2, 3, 4, 5];

And we want to remove an element from the beginning of this array.

Result will be like this

[2, 3, 4, 5]

How to solve this problem?

In fact, the solution to this problem is very easy, and there is more than one solution to this problem.

• Using shift method
• Using splice method

Remove element from beginning using shift

We can use shift method to remove an element from beginning of an array.

Let's see an example:

// Array
const array = [1, 2, 3, 4, 5];

// remove element from the beginning of an array
array.shift();

// Result:
console.log(array);

Output

[ 2, 3, 4, 5 ]

The shift() method removes the first element from an array and returns that removed element. This method changes the length of the array. MDN

Remove element from beginning using splice

We can remove an element from beginning of an array using splice method.

Let's see an example

// Array
const array = [1, 2, 3, 4, 5];

// remove element from the beginning of an array
const result = array.splice(1);

// Result:
console.log(result);

Output

[ 2, 3, 4, 5 ]

The splice() method changes the contents of an array by removing or replacing existing elements and/or adding new elements in place. To access part of an array without modifying it MDN

Thank you for reading

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