to remove first and last element in array

Question

How to remove first and last element in an array   For example   var fruits     Banana    Orange    Apple    Mango      Expected output array     Orange    Apple

User · Answer

Say you have array named list  The Splice   function can be used for both adding and removing item in that array in specific index i e that can be in the beginning or in the end or at any index  On the contrary there are another function name shift   and pop   which is capable of removing only the first and last item in the array       This is the Shift Function which is only capable of removing the first element of the array   var item     1 1 2 3 5 8 13 21 34       say you have this number series  item shift         1 2 3 5 8 13 21 34         The Pop Function removes item from an array at its last index   item pop         1 2 3 5 8 13 21         Now comes the splice function by which you can remove item at any index   item slice 0 1        2 3 5 8 13 21   removes the first object item slice item length-1 1        2 3 5 8 13   removes the last object       The slice function accepts two parameters  Index to start with  number of steps to go

User · Answer

To remove the first and last element of an array is by using the built-in method of an array i e shift   and pop   the fruits shift   get the first element of the array as  Banana   while fruits pop   get the last element of the array as  Mango   so the remaining element of the array will be   Orange    Apple

User · Answer

var resident array      RC FRONT    RC BACK    RC BACK    var remove item    RC FRONT   resident array     grep resident array  function value                return value    remove item          resident array     RC BACK    RC BACK

User · Answer

x000D   x000D  var fruits     Banana    Orange    Apple    Mango    x000D  var newFruits   fruits slice 1  -1   x000D  console log newFruits         Orange    Apple    x000D   x000D   x000D    Here  -1 denotes the last element in an array and 1 denotes the second element

User · Answer

This can be done with lodash   tail and   dropRight    x000D   x000D  var fruits     Banana    Orange    Apple    Mango    x000D  console log   dropRight   tail fruits     x000D   lt script src  https   cdnjs cloudflare com ajax libs lodash js 4 17 11 lodash min js  gt  lt  script gt  x000D   x000D   x000D

User · Answer

I use splice method   fruits splice 0  1      Removes first array element  var lastElementIndex   fruits length-1     Gets last element index  fruits splice lastElementIndex  1      Removes last array element   To remove last element also you can do it this way   fruits splice -1  1     See Remove last item from array to see more comments about it

User · Answer

To remove element from array is easy just do the following  let array splited      split       array splited pop   array splited join

User · Answer

push   adds a new element to the end of an array  pop   removes an element from the end of an array   unshift   adds a new element to the beginning of an array  shift   removes an element from the beginning of an array   To remove first element from an array arr   use arr shift   To remove last element from an array arr   use arr pop

User · Answer

You can use Array prototype reduce     Code    x000D   x000D  const fruits     Banana    Orange    Apple    Mango    x000D        result   fruits reduce  a  c  i  array    gt  0     i    array length - 1     i   a       a  c        x000D   x000D  console log result   x000D   x000D   x000D

User · Answer

You used Fruits shift   method to first element remove   Fruits pop   method used for last element remove one by one if you used button click   Fruits slice  start position  delete element You also used slice method for remove element in middle  start

User · Answer

fruits shift        Removes the first element from an array and returns only that element  fruits pop          Removes the last element from an array and returns only that element     See all methods for an Array

User · Answer

Creates a 1 level deep copy   fruits slice 1  -1    Let go of the original array   Thanks to  Tim for pointing out the spelling errata

[javascript] to remove first and last element in array

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