JavaScript Array pop() Method

JavaScript Array pop() Method

Last Updated : 11 Sep, 2024

The pop() method removes (pops) the last element of an array. The pop() method changes the original array.

It reduces the array's length by one and returns the removed element.

Syntax:

arr.pop();

This method does not accept any parameter.

Return value:

This method returns the removed element array. If the array is empty, then this function returns undefined.

Example 1: In this example, This function func() initializes an array arr, then removes and logs its last element using the pop() method.

JavaScript

function func() {
    let arr = ['GFG', 'gfg', 'g4g', 'GeeksforGeeks'];

    // Popping the last element from the array
    console.log(arr.pop());
}
func();

Output

GeeksforGeeks

Example 2: In this example this func() function initializes an empty array arr and attempts to remove the last element using the pop() method.

JavaScript

function func() {
    let arr = [];

    // popping the last element
    let popped = arr.pop();
    console.log(popped);
}
func();

Output

undefined

Supported Browsers:

JavaScript Array pop() Method

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