I need to write a function that returns an array of objects. The function will select the winners based on two factors: how much they paid, and their seat number. If both of these numbers are odd, the attendee wins…
I have been testing two methods of array creation and initialization in JavaScript using Node.js. One method involves dynamically pushing elements into the array, while the other method involves pre-allocating the array to a specific size and then setting each…
Let's suppose a collection has N documents and each document has an array field with M subdocuments. For a query that uses a $elemMatch on the field with the M subdocuments to filter and findMany documents of this collection, would…
const users = { user1: 18273, user2: 92833, user3: 90315 } //Answer const usersArray = Object.entries(users).map((keys, value)=> {return keys[0] + ' ' + value[1]}); console.log(usersArray); //OUTPUT: ['user1 undefined', 'user2 undefined', 'user3 undefined'] I expect it to be like this: […
I’ve got an array of objects that each carry a columnSpan property with a numeric value between 1 and 16. [ { "columnSpan": 4, "id": "DatoCmsEntry-MaixsOYtSwS7mloD59Rvng" }, { "columnSpan": 4, "id": "DatoCmsEntry-fEuNly9-QFiRh4DoUZ-Y_w" }, { "columnSpan": 2, "id": "DatoCmsEntry-HsAgXDMHQkSXS_4lKSGfGA" }, {…
JSONata is honestly driving me crazy. I asked something similar a couple of weeks ago, but I still don't know what I'm doing so here I am again. What I'm working with: [[ { "time": "2024-04-26", "value": 40 }, {…
I have a situation where I want to create an array based on values (numbers) in an object like so. However, the catch is that if there is ever multiple keys with the same value, then I want the secondary…
I was trying to write a Polyfill for array sorting in javascript. However it turns out that the comparator doesn't cause any effect on the Polyfill. Any ideas how to make it work? const arrA = [2, 3, 4, 1,…
I'm running a forEach loop using document.querySelectorAll(), and I need to get the index of each node. What would be the best way to do this? function queryFunc(query, func){ document.querySelectorAll(query).forEach(func); }; queryFunc(".fooBar", function(e){ //I need to return the index of…
I have a string array that represents the days of the week, but I want to map it to an integer array. I have created a function to do it, but it always returns null, I am sure I am…