So basically i need to generate a chart, i have the following data Now, i need to show a graph using the above data, but the response which i am getting have multiple similar values of month like May in the above snippet.Now i used reduce to get the sum of number from a particular month, so like for may
Tag: arrays
pushing string[array] instead of ‘string’ to array in plain javascript
I have this code that returns an array that contains strings like And I would like to make all of the array indexes arrays themselves, so I can later push data in the array’s indexes, like Does somebody know how to do this in plain javascript ? Answer If i understood well, seems you need something like …
(Recursion) How to get all key/value pairs from an Object with nested objects and arrays
I have an object that look like this: I want an array with pairs of EVERY key in the object with the value. For example: Everything Ok until that point. The problem is when a property is an array of objects. The output I want is the following: So it needs to check if the property is an array and
How to take back more than one values from function in JavaScript
thanks in advance am wondering how can i get many values from a code block..i dont know wiether i have to use array or anything…am new to js consider the html code i need to get back seat numbers of each seats like……E08 FO8 ETC What i did is am getting only last seat number on log anybody pl…
JavaScript: Diference in sorting behavior array of objects with keys by object property
I have two arrays with the same information but different keys. The keys of the first array are strings: The second array is indexed normally: If I try to sort them by age: In the end myOtherArray will be sorted but myArray will remain sorted by key. What am I missing here? Thanks! Answer Your first array doe…
Updating Firestore Documents in Parallel Using Promise.all()
This question concerns the Firestore database, but, more generally, it concerns making async requests in parallel. Simply put, I wish to update multiple Firestore documents as quickly and efficiently as possible by mapping over an array of their document IDs. the .set() method is async (returning a promise) a…
Initialise an object with array properties
How can I initialise an object in JavaScript, the properties of which would be arrays? I want to have an object of this format: My usecase is the following: – When a property does not exist, create this property which should be an array and add a number. – When a property exists already, push the …
How to iterate over an array multiple times without repeating summed elements
I am trying to solve this problem but I don’t know why I can’t pass all test cases. I need some help and explanation, how can I count some array (in this example: variable s) multiple times and not repeat the same elements that I already summed. Problem description: Lily has a chocolate bar that s…
How to find biggest number in array around undefined elements?
My question is pretty simple actually but I couldnt find satisfied answer lets say that I have array like above.And I wanna get the max value in array which is 20. this is what I did but returned undefined so I tried something like that below and worked but filtering all undefined elements(iterating all) and …
How do I merge two arrays of Objects with a shared ID in TypeScript?
I have two Arrays of Objects, that share an ID. How do I merge them into a single Array, where all items have been merged based on the ID? I’m using TypeScript and Angular. Answer I think you could use something like this: