.shift code example
Example 1: js remove first item
let myArray = [1, 2, 3, 4, 5];
let removedElement = myArray.shift();
Example 2: javascript remove first item from array
var colors = ["red", "green", "blue"];
var red=colors.shift();
//colors is now ["green","blue"];
Example 3: es6 remove first element of array
var myarray = ["item 1", "item 2", "item 3", "item 4"];
//removes the first element of the array, and returns that element.
alert(myarray.shift());
//alerts "item 1"
//removes the last element of the array, and returns that element.
alert(myarray.pop());
//alerts "item 4"