Node.js push() function
Last Updated :
12 Jul, 2025
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push() is an array function from Node.js that is used to add elements to the end of an array.
Syntax:
array_name.push(element)
Parameter: This function takes a parameter that has to be added to the array. It can take multiple elements also.
Return type: The function returns the array after adding the element. The program below demonstrates the working of the function:
Program 1:
function PUSH() {
arr.push(2);
console.log(arr);
}
const arr = [12, 3, 4, 6, 7, 11];
PUSH();
Output:
[ 12, 3, 4, 6, 7, 11, 2]Program 2:
function addLang() {
arr.push('DS', 'Algo', 'JavaScript');
console.log(arr);
}
const arr = ['NodeJs'];
addLang();
Output:
[ 'NodeJs', 'DS', 'Algo', 'JavaScript' ]Program 3:
const Lang = ['java', 'c', 'python'];
console.log(Lang);
// expected output: Array [ 'java', 'c', 'python' ]
Lang.push('node');
console.log(Lang);
// expected output: Array [ 'java', 'c', 'python', 'node' ]
Output:
[ 'java', 'c', 'python' ]
[ 'java', 'c', 'python', 'node' ]
