I am having trouble finding a way to iterate through this nested JSON data. I would like to display elements into select option list. I store my data in a state after a request. I already tried: Last one gives my TypeError: Cannot read property ‘map’ of undefined. If i try to set my state to setFi…
Tag: object
Is there a .contains method in javascript that works similar to Python’s implimentation .__contains__()? – node.js
I’m wondering if there is any implimentation of a object.contains method in javascript that works similar to how the Python version object.__contains__() works, as in I want to be able to scan the whole object with nested objects to see if there is either a key or a value that does contain what the meth…
Find/Replace object in an array and add a key Javascript
I am trying to add a key to an Object of Array as isActive: true, and then I want to find the object in the actual array with the same label as that of selectedFilterList and replace it in this.bindingData else add isActive: false I have tried this which is working but i don’t think so its a best approa…
Reducing object values based on values pulled from array?
I am building an idle game with JavaScript. It is a game where you run a bakery. The resources of the bakery are represented within an object ‘mainObj’. The associated costs to bake an item, such as a cake or cookies, are stored in the array ‘bakeInfo’. I want to write a function that …
How I make different objects from one class function?
I’m making a note-taker app. The problem is….when I click the ‘view detail’ button which I created, no matter what button I click among these, it shows me the modal of last content that I made. I believe it shows me the content from the last object I created from the class function. An…
dynamicly nested object from another object
trying to figure out how to dynamicly create a new nested object from this one: to nested one like this: keys and values have to by dynamic. Only important thing is a structure of the final object. Any ideas would be greatly appricieated. Answer To create a new instance (i.e preserve the old one)
Javascript create nested Keys from Values under eachother & save to a new .json file
I have been racking my head to solve this. Assuming we have the below CSV what i am trying to do is create the nested json, which is not working in addition to that to get the below in a new json file, named with the value of col1. meaning grouping all rows with a common col1 in a single
How can I access multiply nested sub objects in javascript?
I have a larger code which handles and sorts data. In it I want to work with objects to keep it easier and better structured. I have multiple categories and all of them have different nested subobjects, which I have trouble accessing writing/reading. I searched on the web, w3schools but couldn’t find my…
Search in Array of objects on multiple values
I have array of objects: I have a search bar on top and want to search for any matching string from any key which I provide. For example: I want to search from caseNumber, patientName & reader so I will call my filter function as filter(allCases, caseNumber, patientName, reader) I tried using Angular pipe…
JS – How do I make this object filled dynamically by an array?
I need help with the following: I am using material-table and its columns take an argument “lookup” which is an object with values. Its used for filtering and enabling multiselect inside the rows. The thing is, all examples I can find, are hardcoded, I am not able to find dynamically filled lookup…