javascript remove first index in array 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: how to remove first element of array in javascript

let numbers = ["I'm Not A Number!", 1, 2, 3];
numbers.shift();