js shift array code example
Example 1: removing first item array js
var list = ["bar", "baz", "foo", "qux"];
list.shift()//["baz", "foo", "qux"]
Example 2: array shift javascript
//The shift() method removes the first element from an array
//and returns that removed element.
//This method changes the length of the array.
const array1 = [1, 2, 3];
const firstElement = array1.shift();
console.log(array1);
// expected output: Array [2, 3]
console.log(firstElement);
// expected output: 1
Example 3: array.unshift in javascript
//The unshift() method adds one or more elements to the beginning of an array
//and returns the new length of the array.
const array1 = [1, 2, 3];
console.log(array1.unshift(4, 5));
// expected output: 5
console.log(array1);
// expected output: Array [4, 5, 1, 2, 3]
Example 4: javascript shift
let array = ["A", "B", "C"];
//Removes the first element of the array
array.shift();
//===========================
console.log(array);
//output =>
//["B", "C"]