node js array remove first element and last code example

Example 1: javascript remove first element from array

var arr = [1, 2, 3, 4]; 
var theRemovedElement = arr.shift(); // theRemovedElement == 1
console.log(arr); // [2, 3, 4]

Example 2: javascript remove first element from array

// remove the first element with shift
let flowers = ["Rose", "Lily", "Tulip", "Orchid"];

// assigning shift to a variable is not needed if
// you don't need the first element any longer
let removedFlowers = flowers.shift();

console.log(flowers); // ["Lily", "Tulip", "Orchid"]
console.log(removedFlowers); // "Rose"