Array

Array prototypes

• first

  First element in an array

  [1,2,3,3,4,5,6,7,8,8,9,6,5,4].first()

  result

  1

• last

  Last element in an array

  [1,2,3,3,4,5,6,7,8,8,9,6,5,4].last()

  result

  4

• containElement

  check if an array contain an element

  ["A","B","C","D","E","F"].containElement("A")

  result

  true

• eliminateDuplicate

  Eliminate all element duplicated in an array

  [1,2,3,3,4,5,6,7,8,8,9,6,5,4].even()

  result

  [1,2,3,4,5,6,7,8,9]

• remove(element/[elements])

  Remove elements in an array

  • example 1

    [1,2,3,3].remove(3)

    result

    [1,2]

  • example 2

    ["A","B","C","D","E","F"].remove(["A","B","C"])

    result

    ["D","E","F"]

• generateScale(type,style,start,end,interval)

  generate an array of specific element

  • example 1

    var myarray = Array().generateScale('letters','upper','a','c',null)

    result

    ["A","B","C"]

  • example 2

    var myarray = Array().generateScale('letters','lower','a','f',2)

    result

    ["a","c","e"]

  • example 3

    var myarray = Array().generateScale('numbers',null,0,9,3)

    result

    [0,3,6,9]

  • example 4

    var myarray = Array().generateScale('numbers',null,-9,0,1)

    result

    [-9,-8,-7,-6,-5,-4,-3,-2,-1,0]

• even

  Take all even numbers in an array

  [1,2,3,3,4,5,6,7,8,8,9,6,5,4].even()

  result

  [2,4,6,8,8,6,4]

• evenIndex

  Take all even index in an array

  ["a","A","b","B","c","C","d","D","e","E","f","F"].evenIndex()

  result

  ["a","b","c","d","e","f"]

• odd

  Take all odd numbers in an array

  [1,2,3,3,4,5,6,7,8,8,9,6,5,4].odd()

  result

  [1,3,3,5,7,9,5]

• oddIndex

  Take all odd index in an array

  ["a","A","b","B","c","C","d","D","e","E","f","F"].oddIndex()

  result

  ["A","B","C","D","E","F"]