I was using Myjson.slice(1, 20). I need only 20 items from Myjson which has a length of 2624 and in this code I tried to you slice like this but I don't know what to do to make the difference…
I have a long array which has shorthand ID's which I want to replace with the full values from a lookup Here's the original array const original = [ [ '18', 'v'], [ '20', 'aev'], [ '22', 'v'], [ '23',…
I have an array that consists of multiple elements so what I want to do is remove the last two digits from the array element if the array element consists of 3 or 4 digits then remove the last two…
I should create a function that given an array of numbers and a specific value, returns another array filled with those numbers in which the number of digits matches the specified value. function filtrarPorQuantidadeDeDigitos (array, nDigitos) { let solucao =…
I have an flat object in javascript as { top1: { obj1: {} obj2: {} } top2: { obj3: {} obj4: {} } top3: { obj5: {} obj6: {} } } and I would need to get out an array…
As far as I know, it is not possible to redeclare a const array. However when I declare arr inside the loop, it seems that arr is redeclare for each iteration. I don't understand this situation, does for loop create…
I have no idea why this question has been marked as a duplicate, because the so-called duplicate is about using array_merge to combine arrays - this question is about combining element trees WITHIN an array. Is there a way to…
Please I need an assistance, please how to loop through an array indexes and increment the output by 1 I mean like to loop through an array indexes and for the first output of the index 0 will logout the…
Here is the sample code, let user = { fullName: "Guest User" cart: [ { subTotal: 300, product: [ { productName: "apple", quantity: 3 } ] }, { subtTotal: 1000, product: [ { productName: "orange", quantity: 5 } ] }…
I'm trying to create a comparison line chart for student marks written on different dates. I want to display the date and the mark for example 2021 on one line and the dates and marks which were on different dates…