javascript splice remove first element 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: javascript remove first item from array

type answer

Example 3: java script removing first three indexes

var indexToRemove = 0;
var numberToRemove = 1;

arr.splice(indexToRemove, numberToRemove);