Q: What do I mean by saying rectangle? A: [[1,2,3],[1,2,3]] Inner arrays have more elements. Example: Input: [[1,2,3,4],[1,2,3,4],[1,2,3,4]] Desired Output: [[1,1,1],[2,2,2],[3,3,3],[4,4,4]] Output: [[1,1,1],[2,2,2],[3,3,3]] The reason of the problem: Main array has less elements, so, when I loop over it, as expected it will return an array with its own length. Shown in the example above.… Read More How do I get all columns as an array from a 2d array which is a rectangle

How to add special characters like : to array map ? I want to achieve this. ’10’: [“11/21/2022”, “11/25/2022”] this is what I have so far const data = [{ “user_id”: “10”, “dates”: [“11/21/2022”, “11/25/2022”] }] const output = data.map(({ user_id, dates }) => [user_id, dates]); console.log(output); >Solution : I’m going to guess that you’re… Read More How to add special character in array map?

i have a array of array like below. const array1 = [[8,1,2,3,1],[3,1,1,1],[4,2,1]]; what i need to do is append six empty values " " in-between last two values for each element. Expected output: [ [ 8, 1, 2, ”, ”, ”, ”, ”, ”, 3, 1 ], [ 3, 1 ”, ”, ”, ”, ”,… Read More concatenate array to array with specific positions JavaScript

Let’s take a simple Array of Objects. let objarray = [ { type: 2, number: 4768 }, { type: 2, number: 3168 } ]; And perform a simple map function objarray.map((elem, i) => { if (i == 0) { elem.number = 1; } else { elem.number = 0; } }); The result works as expected.… Read More Array Map Not Working on Replicated Arrays of Objects

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: new Set(…array.map(x => x.value)); Will be… Read More How to get new Set from array of arrays by using Array.map function?

hi everyone I have data given below by using this data I just want to create a cart click on this link to check what kind of cart I want to design from this data const result = [ { name: ‘shanu’, label: [‘ak’, ‘pk’, ‘plk’, ‘k’], value: [1, 2, 3, 5], }, ]; //… Read More create card using array of data react

//this one is actual array const data = [ { name: ‘shanu’, label: ‘ak’, value: 1, }, { name: ‘shanu’, label: ‘pk’, value: 2, }, { name: ‘bhanu’, label: ‘tk’, value: 3, }, ]; > //and this is the array that I want let outPut = [ { name:’shanu’, label:[‘ak’,’pk’], value:[1,2] }, { name:’bhanu’, label:[‘tk’],… Read More combine array of object if atleast one property is common