how do you remove the first element of an array javascript 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: remove first element of array javascript

const arr = ['foo', 'bar', 'qux', 'buz'];

arr.shift();	// 'foo'
arr;			// ['bar', 'qux', 'buz']