JavaScript Test

Background: So I need to sort lots of strings. Arrays of strings, actually, but that's besides… Read more Difference In Performance Between Calling .localecompare On String Objects And Constructing A Purpose-made Intl.collator Object?

I am currently working on a memory game where I have a game board populated with divs created throu… Read more Is There A Way To Style Individual Array Elements In Js

I need to construct a html table from a one dimensional array which, for abstractions sake, has the… Read more How Would One Create A Dynamic Html Table From A One Dimensional Array, Taking Into Account Rowspan And Colspan?

please tell me any good algorithm/code to get list of unique values from array and count of its occ… Read more How To Count Matching Values In Array Of Javascript

I'm trying to figure out the best way to organize this data in Javascript, so I apologize if th… Read more Javascript: Group Data In Objects

So my question is basically this, how can I return an array of all the leaf nodes of an html docume… Read more How To Create An Array Of Leaf Nodes Of An Html Dom Using Javascript

I have a script that sets a set number of usernames, and then for each username, runs a fetch reque… Read more I'm Trying To Understand How To Use Promises In Javascript, But My Script Never Executes The "then"

I am trying to run through a array send to a php file and on a callback send the next value after t… Read more Looping Through Array With Callback

Given an array of integers, find the pair of adjacent elements that has the largest product and ret… Read more Given An Array Of Integers, Find The Pair Of Adjacent Elements That Has The Largest Product And Return That Product

I've been playing around with arrays in JavaScript and cannot figure out why this happens: The… Read more Javascript Array Equal To Zero But Not Itself

I'm implementing a John Conway Game of Life, but I'm having a weird problem. Here is a shor… Read more Why Can't I Make A Copy Of This 2d Array In Js? How Can I Make A Copy?

I need to grab certain parts from many tables, save them and finally generate a new table using a j… Read more Problems Extracting Parts From Rendered Html Tables With Jquery

I found a lot of related questions with answers talking about for...in loops and using hasOwnProper… Read more How To Prevent Adding Duplicate Keys To A Javascript Array

Consider a simple array that contains a set of values. var arr = ['ab', 'cd', '… Read more How To Convert An Array To Array Of Objects With Same Keys In Javascript?

Is this a JSON array: http://flamencopeko.net/icons_ajax.php? Source: http://flamencopeko.net/icons… Read more Is This A Json Array?

I have an array of arrays like so. data = [ [ {x: 1, y: 40}, {x: 2, y: 43}, {x: 3, y… Read more Nesting D3.max With Array Of Arrays

How can i remove duplicated arrays in this data structure? [![enter image description here][1]][1] … Read more Remove Duplicates Of Array From Another Array, Javascript

The problem I am iterating over a states array the looks like this let states = [ [… Read more Get Array Index Key - Javascript

Is it possible to create the the data1 array without using nested for loops? // My starting Nor… Read more Efficient Way To Create Javascript Object From Array Of Properties And Array Of Matching Property Values

I'm building a web-app using Two.js which generates shapes and then removes them again after th… Read more Some Shapes Not Being Removed In Two.js When Looping Through Array Of All Shapes