shift() – Remove First Element
array1.shift()
array1
is an array which has to be shifted
shift() method removes the first element from the array array1
and returns that removed element. shift() method modifies the original array array1
Examples
1. shift the given array
const array1 = ['apple', 'banana', 'cherry'];
console.log('Original Array : ' + array1);
const removedElement = array1.shift();
console.log('Removed Element : ' + removedElement);
console.log('Result Array : ' + array1);
2. shift an empty array
const array1 = [];
console.log('Original Array : ' + array1);
const removedElement = array1.shift();
console.log('Removed Element : ' + removedElement);
console.log('Result Array : ' + array1);
if shift() is called on an empty array, then shift() returns undefined