diff --git a/arrays.js b/arrays.js index e69de29bb2d..a5b61623893 100644 --- a/arrays.js +++ b/arrays.js @@ -0,0 +1,51 @@ + +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) { + var newArray = array.slice(1) + return newArray +} + +function destructivelyRemoveElementFromEndOfArray(array) { + array.pop() + return array +} + +function removeElementFromEndOfArray(array) { + newArray = array.slice(0, array.length - 1) + return newArray +} + +console.log(chocolateBars) +console.log(chocolateBars.splice(1, 2, 'word1', 'word2')) +console.log(chocolateBars)