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Questions tagged [ecmascript-6]

ECMAScript 6 reached feature complete status in 2014. The features vary widely from completely new objects and patterns to syntax changes to new methods on existing objects.

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10 votes
3 answers
2k views

I implemented this Rubik's Cube game in Python, using Canvas and Context2d for user interaction. This was mainly an exercise in &...
1 vote
1 answer
110 views

I have created Axios wrapper following SOLID principles. Is there any feedback on improving it's structure in a more cleaner and better way? axiosconfig.ts ...
6 votes
2 answers
310 views

I use the following snippet with my browser homepage to detect whether or not I have my VPN connection turned on. If the IP timezone is different from the browser timezone, then it is most likely the ...
6 votes
1 answer
170 views

I have been tinkering about a program that would pick the support "captain" of the day on workdays with the following rules: Program should only pick a captain on weekdays (Mon. to Fri.). ...
2 votes
1 answer
61 views

I have the function which updates user data (currently only name). I would like to optimize its logic and particularly logic of updating participant name in chats. Currently I get entire chats ...
2 votes
3 answers
239 views

How can I make the code more readable and more efficient? (provided code is O(n2) time, but intuition says it can be pre-processed and done in O(n) time) Description it tags the first and last of ...
4 votes
2 answers
434 views

I have attempted to implement the native Promise object provided by the browser in JavaScript. The code is pretty easy to understand. It supports most of the promise functionalities, such as chaining, ...
2 votes
1 answer
112 views

I've implemented a function that creates a multiple regular expressions predicate. The idea behind the predicate is combining regular expressions using the disjunction operator ...
7 votes
4 answers
962 views

Using the sample data from here, I'm attempting to write JS code (to the ES6 standard) that is equivalent to an SQL inner join. The solution below works fine, but it seems rather long. Is there a ...
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1 vote
1 answer
88 views

I made an extension and got it to the point where it does what I want how I want. At this point, I have a little capacity to work on code refactoring, readability and such. And I would love some ...
2 votes
2 answers
157 views

I have three arrays in which first index is same, so I want to merge all three array into one array based on first index element Input: ...
4 votes
2 answers
493 views

I wanted to detect when a user stops typing. I encountered this answer from SO (Not the selected answer, but the second one which seem to be better): https://stackoverflow.com/a/5926782/17746636 But I ...
0 votes
1 answer
134 views

I am trying to remake Super Mario Bros. in JavaScript and I am trying to figure out if there is a more efficient/shorter way to create and store the level data. I have created 1-1 and here's what the ...
4 votes
2 answers
223 views

I have implementted a simple JavaScript function to find the list of abundant numbers and print them on the screen. an abundant number is a number for which the sum of its proper divisors is greater ...
1 vote
1 answer
162 views

I have a method that merges keys and indexes from an array into an object. I'm stuck with ways to compress this method, and I don't know what I can do to make it simpler. Goal get an array of objects ...

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