Node.js pop() function

pop() is an array function from Node.js that is used to remove elements from the end of an array. 

Syntax:

array_name.pop()

Parameter: This function does not take any parameter. 

Return type: The function returns the array. The program below demonstrates the working of the function: 

Example 1:

javascript

function POP() {
    arr.pop();
    console.log(arr);
}
const arr = [1, 2, 3, 4, 5, 6, 7];
POP();

Output:

[ 1, 2, 3, 4, 5, 6 ]

Example 2:

javascript

function POP() {
    arr.pop();
    console.log(arr);
}
const arr = ['GFG'];
POP();

Output:

[]

Example 3:

javascript

const Lang = ['java', 'c', 'python'];

console.log(Lang);
// expected output: Array [ 'java', 'c', 'python' ]

Lang.pop();

console.log(Lang);
// expected output: Array [ 'java', 'c' ]

Output:

[ 'java', 'c', 'python' ]
[ 'java', 'c' ]