I have the following array of objects; however this could be any unknown key/value and be infinitely nested, for now this is a testing sample: My current implementation is as follows: Basically I am adding to the “selected” array then using that to filter the data array by. I do want to ensure the…
Tag: multidimensional-array
JavaScript sort multiple array
Suppose I have this data Name Mark John 76 Jack 55 Dani 90 and for the grade Marks Grade 100-80 A 79 – 60 B 59 – 40 C suppose i declare the script as The program should assign the grade with the corresponding mark, how do I sort the grade since we know we cant change the index for
Generate and sort cartesian coordinates around (0,0) in all quadrants using Javascript’s nested array loops
I have an variable obj that has the element count that needs a cartesian coordinate. So I want to generate the following matrix. obj = 9, Square root of obj = 3, 3×3 matrix (-1,1) (0,1) (1,1) (-1,0) (0,0) (1,0) (-1,-1) (0,-1) (1,-1) obj = 25, Square root of obj = 5, 5×5 matrix (-2,2) (-1,2) (0,2) (1…
Only getting two of three result in loop to display array elements
I can’t seem to figure out why I keep getting 1st and 3rd row. I am skipping 2nd for some reason. Here’s my code I am trying to write a JS code to display the title of three books with the authors’ names. Is there anything I’m missing? Answer I believe the issue is that you are globally defi…
Javascript filtering a nested array to exclude objects that don’t include one of several elements
I have a fairly simple nested array of objects. Each object is composed of 5 (string) values, e.g. [“0,0”, “0,0”, “0,0”, “0,0”, “0,1”]. There are no variables attached, hence using arrays inside an array. Each object represents a puzzle solve permuta…
Filling a Single or Double Javascript Array in a Single Function
There is something about JavaScript arrays I appear not to know as I am getting results I do not understand. I come from a C++ background. Why is the Double-Array result [Empty String] when I believe it should be displaying the contents of a double-array. The Single array result is how I expect it should be. …
Multidimensional input : update index when clone existing item
Is it possible to change the index of the last item of a multidimensional input when my new item is created ? Let me explain. I have a button that is clone an item from my list, into my list. Each item contains several properties (date, category…) This is an example of what I have when I display my form
I need to find a specific value in an array of arrays. Angular, Typescript
I need to find a value in an array of arrays, but when I use the .find it returns undefined The array of arrays is datos. And this is the Html: I have tried to access to the datos array of arrays and it returns an empty array, I want to use the array of arrays to display a table
Convert Array in Map or 2D Array
So I basically have a gradebook that is a .csv file and is formatted like this name, grade name, grade I am looking for the best way to split my array so that I can access each independently but they are still related to each other. This is my current code so it currently splits the original text into the
Turn 2 dimensional excel table to filtered dropdown
Can you help me figure out how to turn this table below into a filtered dropdown using reactjs. I need to filter the result by age ( let’s say the user is 33 years old) and show him the available options for his age group ( Capital to cover and monthly premium related to it ) then catch the data