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…
Tag: arrays
How to get keys from json object in javascript [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 1 year ago. Improve this question I have a json file: Now I want to get a list of the keys of each “name” object. A…
Javascript array filter out numbers represented as strings
I have an array like this: I want to filter out all the numbers represented as strings (integers and floats) from the above given array. In this case I want to filter out “1”, “2” Desired Output Note: I am looking for a clean and elegant way to solve this. A naive approach that comes t…
How to add “new” element/objects s to a list in javascript?
Let’s say I have a List of objects in javascript. Now I make some API call and get more data like … I want to add the new objects i.e the sixth and seventh to my existing demoList and discard the existing object i.e. first object. How do I achieve this in javascript with less time complexity? No I…
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…
JavaScript card game: set the player who deals the cards in each hand
I am working on a card game and I need to set the player who deals each hand. I have two arrays, one stores the hands and the other stores the players. My goal is to assign a dealer to each hand in a consecutive way until reaching the max number of hands. For example: I tried different loops, but
Map array of an array to an object in JavaScript [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 1 year ago. Improve this question I’m trying to convert an array within an array that looks like this To an object that l…
Change property name from an array of object javascript/typescript
I have the following array of obect lets call it “myArray”: What I would like to achieve is to switch the properties naming form name to key and the opposite so the final result is something like that: I tried with but its undefined and I tried also with any suggestions? Thanks Answer You could ha…
Remove duplicated objects from array but also increase quantity
I have this list: And the output I’m looking for should look like: This code removes duplicates, but I just can’t figure it out how to increase quantity when duplicate is present. Answer Slightly different object approach that uses Object.values() to return resultant array
Can I destructure to multiple variables when at least one has already been declared, and at least one has not?
I’m aware that I can destructure an object or array to multiple variables, whether they are both already assigned or both unassigned, but is it possible to restructure to multiple variables together when at least one variable has already been declared, and at least one has not? 1. Both unassigned This w…