In computer system Science a queue is an summary Data framework where item are maintained in order. Brand-new items can be included at the back of the queue and old items space taken turn off from the front of the queue.
You are watching: Stand in line free code camp
Here is the solution:
function nextInLine(arr, item) arr.push(item); var removed = arr.shift(); return removed;
This is most likely very an easy but i don"t understand the "is stored in removed" on fourth line that the following instance run.
Example Run:
Test nextInLine(<2,1>); runs. The nextInLine function is called. Arr becomes <2>. Item becomes 1.arr.push(item); Pushes 1 to <2>. For this reason arr is currently <2,1>.var gotten rid of = arr.shift(); removes the an initial element. For this reason arr is currently <1>. 2 has been removed and is save on computer in removed.return removed; 2 is returned.From mine perspective, if 2 had been removed, what"s left is 1 and 1 should be keep in the variance due to the fact that when we eliminate something we except and consider only the remainder which is 1.
However I plainly understand that the removed number is 2, so the feels like a action is missing or is wrong. Is my reasonable strange?
javascript
re-publishing
follow
asked might 24 "20 in ~ 16:55
CSucheCSuche
1122 bronze title
4
add a comment |
2 answers 2
energetic earliest Votes
0
Example Run:Test nextInLine(<2,1>); runs.
You space passing only arr to your function. Article is undefined
The nextInLine duty is called. Arr i do not care <2>. Item i do not care 1.No, it doesn"t. Arr is still <2, 1>, article is still undefined.
arr.push(item); Pushes 1 to <2>. Therefore arr is now <2,1>.Again, no. Arr.push(item) pushes unknown to the array, so that is currently <2,1,undefined>
var removed = arr.shift(); clears the first element. For this reason arr is currently <1>. 2 has actually been removed and also is save on computer in removed.Except native the array is now <1, undefined>, that"s correct.
return removed; 2 is returned.Correct. Change removes and also returns the very first element of one array.
re-publishing
monitor
answered may 24 "20 in ~ 17:06
baaobaao
65k1414 yellow badges117117 silver- badges176176 bronze badges
1
include a comment |
0
Array.shift() removes the an initial item in one array, and returns the item.
For example, you have actually an array: const yourArr = <"a", "b", "c", "d">
yourArr.shift() clears "a" and also returns it. Now yourArr = <"b","c","d">
const yourArr = <"a","b","c","d">console.log(yourArr.shift())console.log(yourArr)
re-publishing
follow
answered might 24 "20 at 17:17
symlinksymlink
10.6k66 gold badges2626 silver- badges4848 bronze badges
1
add a comment |
your Answer
Thanks for contributing an answer to ridge Overflow!
Please be certain to answer the question. Provide details and also share her research!But avoid …
Asking for help, clarification, or responding to various other answers.Making statements based on opinion; ago them increase with recommendations or an individual experience.To learn more, see our advice on writing an excellent answers.
See more: Breath Of The Dying ( Diablo 2 Breath Of The Dying, Breath Of The Dying Runeword
Draft saved
Draft discarded
Sign increase or log in in
authorize up making use of Google
authorize up making use of Facebook
authorize up making use of Email and also Password
submit
Post together a guest
name
email Required, but never shown
Post together a guest
name
Required, however never shown
post Your price Discard
By clicking “Post your Answer”, you agree to our regards to service, privacy policy and also cookie policy
Not the answer you're feather for? Browse other questions tagged javascript or ask your own question.
The Overflow Blog
Featured ~ above Meta
connected
2702
how do ns pass command line disagreements to a Node.js program?
1081
sending command line disagreements to npm manuscript
1627
turning off eslint preeminence for a specific line
0
RangeError: Maximum call stack size exceeded in Javascript
0
array like static possible in angular js?
3
composing a attributes that removes variety and adds come the perform
0
Coding a Javascript Queue
0
items can be added at the back of the queue and old items room taken off from the former of the queue
1
Javascript an easy Algorithm - QUEUE
hot Network concerns more hot questions
inquiry feed
i ordered it to RSS
question feed To i ordered it to this RSS feed, copy and paste this URL right into your RSS reader.
lang-js
ridge Overflow
commodities
firm
stack Exchange Network
site design / logo © 2021 ridge Exchange Inc; user contributions licensed under cc by-sa. Rev2021.11.24.40826
Stack Overflow works ideal with JavaScript permitted
your privacy
By clicking “Accept all cookies”, you agree ridge Exchange can store cookie on your an equipment and disclose details in accordance through our Cookie Policy.