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 takes any parameter.

Return type: The function returns the array.

The program below demonstrates the working of the function:

Program 1:

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

Output:

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

Program 2:

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

Output:

[]

Program 3:

var 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' ]

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