So I reached a dilemma this week while trying to solve what seemed to be an easy problem, but I was wrong. Sample code: So the problem was being able to map through the array and merge/sum the values if their unique identifiers match. Any suggestions? End result would look something like this: Now of course t…
Tag: object
How to exclude keys from a map and display only the values?
I have an Object obj as below: I want to exclude the key Hostname and it value. I only want to capture the values excluding keys such that the output looks as below: 189883:error message:script name The final output should be a string. I have written the following code but it is creating array element for eve…
For Loop is Not Running Khan Academy Project:Bookshelf [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 2 years ago. Improve this question “This program only displays one book. Make an array of books (at least two of them), a…
Traverse JavaScript array and dynamically find deep nested values
I am currently manually looping through an array and doing deeper and deeper nested loops to compare values, but I am curious if there is any way to do this search automatically? I need to find deep nested arrays, compare 1 or 2 values and then also be able to modify the values. Example array. Basically I nee…
refactoring assistance with reducing some array data objects in JavaScript
I need to reduce data in profiles array in a way such that the final object groups the data in profile obj based on the favorite movie and the users that liked/favorited the movie. I want something like: from the following data objects: I need some ideas in refactoring the following code for it to go back to …
How do you add multiple objects to an array? (JavaScript)
I’m not sure if I phrased the question right. I’m fairly new to JavaScript, and I’d like to add multiple objects (?) to an array. If I have this array: How would I add, say as to the same array? Answer Items can be added to an array with the push method. Every array has this method build it,…
Implementing Lodash Invert
I’m working on a challenge that requires me to implement the .invert() method myself. Below is my solution but the expected outcome doesn’t match with the actual outcome returned. Please see the second block below. Implemented .invert() method: Tested with below code: And I expected to see below i…
Recursive data in JSON object
} OK guys I have such JSON structure what I need is to: return all topics in array, in this example it will be: [“SERVICE_STATUS_PRESETS”, “AIRCRAFT_ACTIVATION”, “OUT_OF_SERVICE”, “PROMO_CODES_REQUESTS”, “BANNERS”, “DOCUMENTS”, “USE…
Access dynamic nested key in JS object
I have an array like [‘animals’, ‘cats’, ‘cute’, ‘fast’, ‘small’, …], and want to access nested keys of the object like Usually I would write object[‘animals’][‘cats’][‘cute’][‘fast’][‘small…
TypeScript enum to specific object
I have the following TypeScript enum: If I import it in my react application and console.log it, I will get the following object returned: How can I manipulate it, so that I get the following object returned? I tried it with const Lang = Object.keys(SupportedLanguages) and also with .map() but I did not get t…