diff --git a/arrays.js b/arrays.js index e69de29bb2d..003538e33ee 100644 --- a/arrays.js +++ b/arrays.js @@ -0,0 +1,44 @@ +var chocolateBars = ['snickers', 'hundred grand', 'kitkat', 'skittles']; + +function addElementToBeginningOfArray(array, element) { + var newarray = [element, ...array] + return newarray +} + +function destructivelyAddElementToBeginningOfArray(array, element) { + array.unshift(element) + return array +} + +function addElementToEndOfArray(array, element) { + var newarray = [...array, element] + return newarray +} + +function destructivelyAddElementToEndOfArray(array, element) { + array.push(element) + return array +} + +function accessElementInArray(array, index) { + return array[index] +} + +function destructivelyRemoveElementFromBeginningOfArray(array) { + array.shift() + return array +} + +function removeElementFromBeginningOfArray(array) { + return array.slice(1) +} + +function destructivelyRemoveElementFromEndOfArray(array) { + array.pop() + return array +} + +function removeElementFromEndOfArray(array) { + var newarray = array.slice(0, array.length - 1) + return newarray +}