JSFiddle - React, Tailwind, and code Playground

by Emily Humphrey

JavaScript

let arr = [1,2,3,4,5];
let arr1 = [1,2,3,4,5];
let arr2 = [1,2,3,4,5];

const x = arr;
const y = arr1;
const z = arr2;

arr1 = arr1.slice(1);
arr2 = arr2.splice(0,1);

const [firstItem, ...rest] = arr;

arr = [firstItem];

console.log(x, arr);
console.log(y, arr1);
console.log(z, arr2);