diff --git a/arrays.js b/arrays.js index e69de29bb..35a0d6516 100644 --- a/arrays.js +++ b/arrays.js @@ -0,0 +1,41 @@ +var chocolateBars = ["snickers", "hundred grand", "kitkat", "skittles"]; + +function addElementToBeginningOfArray(chocolateBars, candyString) { + return [candyString, ...chocolateBars]; +} + +function destructivelyAddElementToBeginningOfArray(chocolateBars, candyString) { + chocolateBars.unshift(candyString); + return chocolateBars; +} + +function addElementToEndOfArray(chocolateBars, candyString) { + return [...chocolateBars, candyString]; +} + +function destructivelyAddElementToEndOfArray(chocolateBars, candyString) { + chocolateBars.push(candyString); + return chocolateBars; +} + +function accessElementInArray(array, index) { + return array[index]; +} + +function destructivelyRemoveElementFromBeginningOfArray(chocolateBars) { + chocolateBars.shift(); + return chocolateBars; +} + +function removeElementFromBeginningOfArray(chocolateBars) { + return chocolateBars.slice(1); +} + +function destructivelyRemoveElementFromEndOfArray(chocolateBars) { + chocolateBars.pop(); + return chocolateBars; +} + +function removeElementFromEndOfArray(chocolateBars) { + return chocolateBars.slice(0, chocolateBars.length - 1); +}