Tag: arrays

Nesting for loop automatic

I have a array with objects and those objects consist of some arrays. I wanna loop through the entire array and the array inside the objects. Sound complicated but if you look at the example below it works. However my problem is that right now the length of the variables array is 2, but how can i implement so…

JEST – check if objects array is a subset of another array

arrays javascript jestjs

Using JEST I want to test if an array of objects is a subset of another array. I want to test the following: I’ve tried the following: But this is not correct since objectContaining doesn’t accept array as param … it works only if subset is a single object. Answer I’ve never tried this…

Error returning an array of objects from an Angular function

angular arrayobject arrays javascript typescript

Good afternoon, I have a problem when I want to return an array of objects from an external function. I have declared an Object class with 2 properties, its constructor and one that works where I return an array with more than 50 objects for this example I only put 4 objects The problem is that I want to call

How to filter array with children are array?

arrays javascript

Fillter in an array But if an array consists of many arrays inside, I am not finding a reasonable way to solve it. Example: with this array How to fillter ‘a’ and get result Answer Use filter and some

How to get new Set from array of arrays by using Array.map function?

array-map arrays javascript set

Exploring Sets now and could not get a new Set from an array of x arrays in it. I what to use Array.map method inside new Set(). Here is what I’m trying to do, and it seems logical, but in the end having values only from the 1st array: Will be awesome to understand what I am doing wrong and

Creating a Mega menu in react with loop

arrays javascript reactjs

I have created a mega menu where the values will be dynamic (coming from the API). So you never know how many links will be there. But for testing purpose I’ve put 50 texts in array menu and trying to loop over that so that it look Like this . So there’s a parent row and inside that there are

Find most bought from array vue.js

arrays filter javascript sorting vue.js

I am trying to find which of the posts has the most bought… I’ve been trying for some time now, and this is my latest draft. I would really like to know if there is a smart way to do this through Vue js. Most of my struggles come from navigating the array. My first thought was to merge the

Spread Operator – TypeScript

arrays javascript rest spread typescript

I’m trying to pass an array as an argument with Spread operator but something is going wrong. Answer For TypeScript to correctly predict what argument types are going to spread into the parameter, you will have to change the args variable type into a tuple as follows:

Update array elements

arrays javascript object svelte

I am trying to do something similar to a shopping cart, where initially there is a series of products that I load with an array of objects. I show the list of products with svelte like this: And through the function addProduct() I update the array inventory with the product id and the number of units of that …

node – How to replace part of an url

arrays javascript node.js regex

I have an array of urls like this: I need to search inside it to match the user input with the subdomain part of the url, I’m trying with thism line of code to achive it: If the input is find, I need to replace the second part of the url, in my case /foo-bar with /foo-baz or /foo-baz-bar to