diff --git a/arrays.js b/arrays.js index e69de29b..5b499287 100644 --- a/arrays.js +++ b/arrays.js @@ -0,0 +1,50 @@ +var chocolateBars = ["snickers", "hundred grand", "kitkat", "skittles"]; + +function addElementToBeginningOfArray(array, element){ + return [element, ...array]; +} +addElementToBeginningOfArray(chocolateBars, "twix"); + +function destructivelyAddElementToBeginningOfArray(array, element){ + array.unshift(element); + return array; +} +addElementToEndOfArray(chocolateBars, "twix"); + +function addElementToEndOfArray(array, element){ + return [...array, element]; +} +addElementToEndOfArray(chocolateBars, "twix"); + +function destructivelyAddElementToEndOfArray(array, element){ + array.push(element); + return array; +} +destructivelyAddElementToEndOfArray(chocolateBars, "twix"); + +function accessElementInArray(array, index){ + return array[index]; +} +accessElementInArray(chocolateBars, [2]); + +function destructivelyRemoveElementFromBeginningOfArray(array){ + array.shift(); + return array; +} +destructivelyRemoveElementFromBeginningOfArray(chocolateBars); + +function removeElementFromBeginningOfArray(array){ + return array.slice(1); +} +removeElementFromBeginningOfArray(chocolateBars); + +function destructivelyRemoveElementFromEndOfArray(array){ + array.pop(); + return array; +} +destructivelyRemoveElementFromEndOfArray(chocolateBars); + +function removeElementFromEndOfArray(array){ + return array.slice(0, 2); +} +removeElementFromEndOfArray(chocolateBars); \ No newline at end of file