In the map() and filter functions(), is the iteration variable implicitly defined in it? or we can also explicitly define a variable to iterate through the array? const numberArray = [1, 2, 3, 4, 5]; const res = numberArray .map(number…
When duplicating an array and using sort(), why do both arrays get sorted? For example: c = [2,4,9,1,10]; b = c; b.sort(); console.log(b+" "+c) I was expecting the array (c) to remain as [2,4, 9, 1, 10] instead it returns…
I am trying to match up my array with the manner which the array needs to be sent to another file. I am able to pass the data successfully but as its not in the right structure not getting the…
I have an object let files = { '00':{}, '01':{}, '02':{}, '03':{}, '04':{}, '05':{}, '06':{}, '07':{}, '08':{}, '09':{}, '10':{}, '11':{}, '12':{}, '13':{}, '14':{}, '15':{} } console.log(Object.keys(files)) the result I'm getting is this. ["10","11","12","13","14","15","00","01","02","03","04","05","06","07","08","09"] 1. why it's reading key from 10…
So I am very new to coding and have run into an issue when it comes to comparing arrays, especially ones that are nested and trying to pull out values that match using their indices into a new array. Say…
I have query like select billing_number, created, amount_total_sum, days, country, status, check_in_date, concat(elements->> 'isPossible', elements-> 'UTCDateFrom' ->> 'date', ' - ', elements-> 'UTCDateTo' ->> 'date' ) from (select o.billing_number, o.created, o.amount_total_sum, t.check_in_date, t.check_out_date - t.check_in_date as days, t.hotel_country as country,…
I'm studying recursion and I'm trying to make a tail-call optimized Fibonacci which returns an array of Fibonacci numbers up to the argument passed. The problem I am encountering is with Fibonacci of 0, which should return [0], but now…
So I've been scratching this mental itch and was checking out how to handle change listeners to arrays without using Observables or external libraries. The main idea is that I have a .json file which is basically an array of…
I have an array of objects const jobs = [ { "id": 1, "title": "Item 1", "Invoice Net": "€120.00", "Invoice VAT": "€0.00", "Invoice Total": "€120.00" }, { "id": 2, "title": "Item 2", }, { "id": 3, "title": "Item 1", "Invoice…
Please help me in providing jolt spec or update the below tried jolt spec to get desired output json shown below I already posted the similar question but tried to solution but not able to remove the duplicate entry inside…