Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 1 year ago. Improve this question I am learning Java script and trying to merge an Array of objects depending on the specific properties of that
Tag: object
How does one create an object from an array of data items?
I’m struggling to create an object from an array in JS. I keep getting an error when pushing into the plots object. Answer In JS, an array has no named keys, it’s only a list of things. If you want named keys, use an object {} plots[status] is never initialized. When you try to .push() stuff in something undefined, the
How do I split an array of objects into multiple arrays of objects while filtering for duplicates?
Ok, tall order I know. So here’s my situation, say I have the array of objects below I would like for this to be changed to [{name: bar1, label: bar1}, {name: bar4, label: bar4},{name: bar7, label: bar7}] [{name: bar2, label: bar2}, {name: bar5, label: bar5},{name: bar8, label: bar8}] [{name: bar3, label: bar3}, {name: bar6, label: bar6}] I have found the
Can ‘=’ be used to set one object property given a different unique key:value?
If I know an object exists in an array with a unique key:value pair do I have use .find() to get the object or is there a way that doesn’t require iteration? Given: Is there a notation to do: Or do I have to do: Answer To directly answer your question… Is there a notation to do The answer is
Making flexible piece of text for a couple of objects
I have 2 objects, vehicle1 and vehicle2 objects, for vehicle1 I have a leaflet popup: I’d like to do the same with vehicle2, just to swap between objects, so I want something like that: But I don’t want to repeat code like this. I tried putting it into the object with ‘this’ keyword, but it didn’t work. Thanks for help!
How to add properties functions to objects from another class in Java?
In Javascript we can define an object like this 👇 Now if we want add a new property to obj I can just add a new property like this Now I want to do the same thing in Java also. I have a class Test 👇 Now is it possible to do like the same thing like statement #2 in
Typescript: How do I define an interface for an object type’s key value pair
I have an object called externalObject that has various key:value pairs. I also have a typescript interface that is defined as the following: My question is how do I further set the type for the externalObject’s key as string and the values that are passed inside externalObject as string or number? Note: we do not always know the key:value pairs.
Why does it print “undefined” on the console? [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 1 year ago. This post was edited and submitted for review 1 year ago and failed to reopen the
sorting strings in an object inside an array [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’ve been trying to sort string inside an object which is inside an array. By splitting the string into array, I successfully sorted the array.
How to access object property with dynamic key in Typescript?
In my component Product.tsx I receive an object via API call that could look like this: I then render each variant as a row in a table where each column displays the price, size etc. as editable input fields. onChange of each input triggers updateVariant(variant.id, key, e); where key is one of the keys of a variant and e is