I have an array with object that looks like this: const boxes = [ {jsName: '.js-box1', boxName: 'upperLeft'}, {jsName: '.js-box2', boxName: 'upperCenter'}, {jsName: '.js-box3', boxName: 'upperRight'}, {jsName: '.js-box4', boxName: 'centerLeft'}, {jsName: '.js-box5', boxName: 'centerMiddle'}, {jsName: '.js-box6', boxName: 'centerRight'}, {jsName: '.js-box7',…
I was learning Objects in Javascript and i use a users example but i have a question. let users = [ { "id": "1", "name": "John", "age": 20, "address": "123 Main Street" }, { "id": "2", "name": "Emma", "age": 23,…
Given an array of integers arr and a target sum target, find all pairs of distinct integers that add up to the target sum. Return an array of arrays containing these pairs sorted in ascending order. If there are no…
This question is more for understanding more how react handles and reacts to changes, than implementation, therefore I'm letting immutable-props-apprach go for a little bit. I'm trying to get the first element of an array and remove it from the…
I have an Array of answers, sorted by the question they belong to, likr this: how the array appears in console sortedAnswers= [[Answer1, Answer2, Answer3, Answer4],[AnswerA, AnswerB, AnswerC, AnswerD]...] I'm trying to render a list of ListItemButton in React. I've…
I have a JSON string which is the following: [ { "id": 103001058774, "name": "status", "label": "Status", "description": "Ticket status", "choices": { "2": [ "Open", "Open" ], "3": [ "Pending", "Pending" ], "4": [ "Resolved", "Resolved" ], "5": [ "Closed",…
I'm trying to map the text of a database of given asnwers in a List for my quiz App. The problem is that i have to acces the title in an array of array of objects like this: log of…
I made a Random numbers with math.random(); but they have , between like : 5,7,8,10 How can I write Space between Characters with Javascript? like this: 5 7 8 10 I'm sorry! My English is very poor. All my code…
I'm building a quiz app and I have 2 arrays of objects. I want to obtain another array associating the answers to their question. How can I do this? const questions = [{ id: 1, text: question1 }, { id:…
I'm trying to check whether a sub-array exists in an array so that I could discard or avoid adding. For example Let's assume I have an array like this [ [-5, 0, 5], [-5, 2, 3], [-3, 0, 3,], [-3,…