How to use `(K | V)[][]` as `ReadonlyArray` in a Map?

I would like to use a (K | V)[][] as ReadonlyArray<[K, V]> in a Map constructor. Lets say that our V is an interface IItem and K a basic number. interface IItem { key: number; val: …

Convert Array in Map or 2D Array

So I basically have a gradebook that is a .csv file and is formatted like this name, grade name, grade I am looking for the best way to split my array so that I can access each independently but they …

How Can I get the Map key by a certain value? E.g. Map.prototype.get -> key by the lowest value

Imagine my elementsMap has following key Value pairs: { ‘A’ => 11, ‘B’ => 8, ‘C’ => 6 }  How can I get the key by the lowest value? For Maps, see: https://developer.mozilla.org/en-US/docs/…

How to access the ith column of a Javascript Multidimensional Array?

For e.g if the array looks like this var example = [[2, “Dwayne”], [4, “Mark”], [8, “Jeff”]]; I want to get the 2nd value of each array inside example array e.g values …

How to filter by id?

const allStories = [{id: 5, title: ‘Hello title’}, {id: 10, title: ‘Hello title2’}]; const id = [“5″,”25″,”10”]; const book = allStories.filter(story => story.story_id …

How to add titles on leaflet’s layer control selection using react?

I am using Leaflet JS with Bing map. I need to add titles on top of Type 1 Layer and Category 1 overlays selection, displayed on right top of Map. I could not see any documentation for the same. Can someone help me. My layers are, Base Layers: Default and English Overlays: Type 1 Layer, Type 2 Layer, Category 1, Category 2 image Need to add titles Select Type and Select Category in layer selection window in map as below, Select Type Type1Layer Type2Layer Select Category Category1 Category2 Answer Use leaflet-groupedlayercontrol plugin to achieve the desired result. When the component

how to increase width of svg path in css or inline

i have map svg of time zone but the size of time zone location is very small I want to increase the size of every time zone location width minimum 400px; height minimum 300px; here is a SVG code …

How to iterate (keys, values) in JavaScript?

I have a dictionary that has the format of dictionary = {0: {object}, 1:{object}, 2:{object}} How can I iterate through this dictionary by doing something like for((key,value) in dictionary){ …

How do you JSON.stringify an ES6 Map?

I’d like to start using ES6 Map instead of JS objects but I’m being held back because I can’t figure out how to JSON.stringify() a Map. My keys are guaranteed to be strings and my values will always …