JavaScript-Data-Structures | A library for data structure in JavaScript | Dataset library
kandi X-RAY | JavaScript-Data-Structures Summary
kandi X-RAY | JavaScript-Data-Structures Summary
A library for data structure in JavaScript
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of JavaScript-Data-Structures
JavaScript-Data-Structures Key Features
JavaScript-Data-Structures Examples and Code Snippets
function minCoinChange(coins, amount) {
const cache = [];
const makeChange = (value) => {
if (!value) {
return [];
}
if (cache[value]) {
return cache[value];
}
let min = [];
let newMin;
let newAmount;
function interpolationSearch(
array,
value,
compareFn = defaultCompare,
equalsFn = defaultEquals,
diffFn = defaultDiff
) {
const { length } = array;
let low = 0;
let high = length - 1;
let position = -1;
let delta = -1;
while (
function palindromeChecker(aString) {
if (
aString === undefined ||
aString === null ||
(aString !== null && aString.length === 0)
) {
return false;
}
const deque = new Deque();
const lowerString = aString.toLocaleLo
Community Discussions
Trending Discussions on JavaScript-Data-Structures
QUESTION
I'm Learning data structure with javascript
and my focus now on how to implement deque?
Edite: from comments below I get useful directions on how to implement
deque based array
. Is there a direction how to implementdeque based object
using class ?
I get understand some points like I need :
- addFront()
- removeFront()
- peekFront()
- addBack()
- removeBack()
- peekBack()
but I'm confused about some points :
how many pointers I need ? at least I know from queue I need two(head-tail) pointer but not sure if I need more in deque
which data type in javascript convenient in this case as a base? I saw some tutors in youtube talking about circular array for example which unknown for me in JS.
edite2:
I was following a book called: learning javascript data structures and algorithms 3rd edition
in chapter5 of this book the author started to implement Deque based on object only and some variables
but I didn't understand how he did that because the code encrypted but I can still reach to his files from and test his approach github repository
I can say that @trincot answer very close of book author approach
but when I compare the results I get this [1 = author - 2 = @trincot] :
according to the book index taking about linked list comes in chapter6 so I didn't expect his solution will be based on something he didn't mentioned before
plz if I miss any point I will be grateful to tell me it ... thanks
...ANSWER
Answered 2020-Feb-04 at 13:27As stated in comments, JavaScript has native support for deque operations via its Array class/prototype: push, pop, shift, unshift.
If you still want to write your own implementation, then you can go for a doubly linked list, where you just need two "pointers". It should be said that in JavaScript we don't really speak of pointers, but of objects. Variables or properties that get an object as value, are in fact references in JavaScript.
Alternatively, you can go for a circular array. Since in JavaScript standard Arrays are not guaranteed to be consecutive arrays as for example is the case in C, you don't really need to use an Array instance for that. A plain object (or Map) will do.
So here are two possible implementations:
Doubly Linked ListCommunity Discussions, Code Snippets contain sources that include Stack Exchange Network
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