get first element of array javascript

// Method - 1 ([] operator)
var arr = [1, 2, 3, 4, 5];
var first = arr[0];
console.log(first);
/*
    Output: 1
*/

// Method - 2 (Array.prototype.shift())
var arr = [1, 2, 3, 4, 5];
var first = arr.slice(0, 1).shift();
console.log(first);
/*
    Output: 1
*/

// Method - 3 (Destructuring Assignment)
var arr = [1, 2, 3, 4, 5];
const [first] = arr;
console.log(first);
/*
    Output: 1
*/const array = [1,2,3,4,5];
const firstElement = array.shift();

// array -> [2,3,4,5]
// firstElement -> 1let array = [1,2,3] // makes your array
array[0] // returns first element of your array.var colors = ["red", "green", "blue"];
var red=colors.shift();
//colors is now ["green","blue"];arr[0]let mylist = ['one','two','three','last']
mylist[0],mylist[1],mylist[2],mylist[3]//this is called indexing and slicing in python
//in javascript it called getting elements in array