I am looking at this question: The sort method for arrays can take an argument that is a comparison function with two parameters—say, x and y. The function returns a negative integer if x should come before y, zero if x and y are indistinguishable, and a positive integer if x should come after y. Write calls,…
Tag: sorting
Sorting array by date and increment quantity on duplicate item
So I have this kind of data (simplified version): The desired output: I’ve tried writing the pseudocode, but cant wrap my head around to actually implement it. Any kind of answer would be much appreciated. Thank you Answer Here i made a simple example below
Using logical OR operator inside a loop to sort an array
I have an array like this: That I am trying to sort based on name and size or color. This is defined like this: I can do sorting like this: But I dont know how to modify the sort so it sorts based on the values from var sorts – so a.size – b.size || a.color – b.color; will be
Javascript sort array of objects using array of priority
I have this array of objects: I want to sort these array of objects using a priority array of a specific key, say [“live”, “upcoming”, “completed”] for status, meaning all live events come first, followed by upcoming followed by completed. Answers all over the internet seem…
How to sort multi-array / nested map by value (e.g. from Firestore) in JavaScript
I’m trying to get a multi-array / nested map sorted by value via JavaScript / TypeScript. My array currently looks like this: Now I’d like to sort by the [‘information’][‘name’] values like this: Does anybody know how to do that? I’m especially struggling with the nes…
JS how to sort() one array based on another array’s sortation
When A is .sorted(), it becomes 6, 7, 8, so those number get new index values, so do the same for B. get current index of the values inside B, then rearrange it based on A’s new arrangement. So when A = 6,7,8, B would be u, z, h Answer Create a two-dimensional working array, whose elements are pairs of
Object’s values sorted in desecending order
I have this object: Each gladiator has its own abilities and as values are the skill for each ability, I want to print them in desecending order by total skill, this is where I am at the moment: this code prints: I simply want it to print: I want the total skill to be in descending order, if its equal,
Generate striped blocks of indexes from an array
I have an array of n length and I want to generate a new array to act as a list of its indexes such that the indexes are “striped” into blocks. By “striping” I mean that we’ll move up the indexes from A-Z in an incremental fashion multiple times, retaining a patterned order. For …
passing props directly to utility function
i have below common function for sorting, and i am calling above function like as below, for numeric type i am sorting based on nominalSize, now i would like to pass this field directly from here sortSelectOptions(options, null, ‘numeric’) as prop. The options are array of objects and one of the p…
JavaScript sort value by arrow function
in JavaScript , we can use array.sort((a, b) => a-b) to sort the array in increasing order. I know that we pass a function into the sort to customize it. It is said when a – b = positive value, then place b in the first, like (b, a) descending order. I wonder how this positive value influence the ord…