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(); |
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Output:
[ 1, 2, 3, 4, 5, 6 ]
Program 2:
function POP() { arr.pop(); console.log(arr); } var arr = ['GFG']; POP(); |
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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' ] |
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Output:
[ 'java', 'c', 'python' ] [ 'java', 'c' ]
