Hello everyone I’m stuck on an exercise I set myself. I have several objects. Each of its objects contain an array that contain numbers related to the array index. What I’m trying to do is to get, for example, an…
I have this sample data. let data = [ {BatchNumber: 1, GroupCode: 'A'}, {BatchNumber: 1, GroupCode: 'A'}, {BatchNumber: 1, GroupCode: 'B'}, {BatchNumber: 1, GroupCode: 'C'}, {BatchNumber: 1, GroupCode: 'B'}, {BatchNumber: 1, GroupCode: 'A'}, {BatchNumber: 2, GroupCode: 'C'}, {BatchNumber: 2, GroupCode:…
Maybe i'm just lazy not understanding JQuery that well but i'm a bit in a hurry and think Vanilla JS is just easier for me to grasp creating things with. I have created a ul consisting of li's, each consisting…
Assuming an array of objects that has a couple hundred fields that look like this [ { "designation":"419880 (2011 AH37)", "discovery_date":"2011-01-07T00:00:00.000", "h_mag":19.7, "moid_au":0.035, "q_au_1":0.84, "q_au_2":4.26, "period_yr":4.06, "i_deg":9.65, "pha":true, "orbit_class":"Apollo" } I'm trying to show the maximum "h_mag" value for all…
How to remove the duplicate strings in an array. I tried this which doesn't workout. var input = ['john','john','rio','ravi','josva','ravi']; let remove = function(){ let result = []; for (let i = 0; i<input.length; i++){ if(input[i] == input[i]){ return false; }else{…
I have an array of similar objects like this: const urls = [ { title: "title 1", url: "https://example.com/1" }, { title: "title 2", url: "https://example.com/2" }, ... ] To reduce the repetition, I think of making a class: class…
How can I check in React if a map function is empty or not inside the return section? wanna check If it's empty, if so render an empty array, otherwise wanna render everything by mapping the content. I am asking…
I have two arrays, each with a years object with key valued pairs of the year and a value. I want to create an updated version of array1 with the values for each row's years reduced by the values from…
I was trying to use a for loop to loop through an array of string and then use the string id_Arr[i] as a link partial to call an API. In regular JS/Angular all works well but in node the requests…
There is a nested object array and I have to get all unique refIds, which are existing at any level. I tried to iterate with for-loops, but it really gets very complicated. And also I don't know how deep the…