I need to get an object in an array by the closest value. Let me explain it by an example: I do get the object by using data.find((d)=> d.age === 60). But I do not get an result if the age is 61. In this case I would like to get the same object. For 64 the next object ({
Tag: ecmascript-6
In Vue, what parameters does createElement() actually get?
(This is a further question after this one: In Vue, what is the relationship of template, render, VNode?) Found createElement()’s source code (from here): Code main.js: (partly) App.vue: Questions A. In App.vue, export default {} will return an empty object, is that correct? B. In main.js: B-1. import App from ‘./App.vue’, will bind App to the empty object, is that
Eslint: how to handle no-use-before-define for dependent functions?
I have 2 dependent functions that call each others, so one or the other has to be declared first which fires an eslint no-use-before-define error. I know I can disable the rule but is there any better way do do this? Simplified example: I can’t merge a and b as they both need to be called separately somewhere else in
Node –experimental-modules – Error: Cannot find module
I am getting an error when trying to import a local file, though no problem when using npm packages. server.js api.js Starting app Error Answer I’m answering my own question if anybody else has this problem. It turns out in experimental mode you need to define the full path with extension. So I am trying to import index.js thinking it
how to put a file in state variable with react hooks
I’m trying to upload a picture using react hooks however I’m getting the following error: when I change the onChangePicture to the picture variable is undefined, any help would be appreciated. Answer I think you meant to do: This will concatenate the first file to all current files. Remember to use const [picture, setPicture] = useState([]); as to make sure
How to destroy a component when we move to another component in angular 6?
In angular 6, let we have three component x,y,z . I am in now at x component. But when I go to component y and return back to x, there is still the previous x component in the DOM. But I want to delete the previous instance of x.That means I want only one intstance of a component at a
Add elements inside Array conditionally in JavaScript
When I try to merge two objects using the spread operator conditionally, it works when the condition is true or false: When I try to use the same logic with Arrays, it only works when the condition is true: If the condition is false an error is thrown: Why is the behaviour different between Array and Object? Answer When you
How do I `.filter()` an array/object and return a new array with the original keys and not as an indexed array/object as filter return?
I want to filter all (“isActive” === 0) but keep the key set the same (which is equal to the user id) when returning the newObj: This is what I have now: which returns indexed keys no for loops (unless the ES6 .forEach() is a must). I would like an ES6 approach to this problem using filter/map/reduce if possible in
React useState hook event handler using initial state
I’m still getting my head around react hooks but struggling to see what I’m doing wrong here. I have a component for resizing panels, onmousedown of an edge I update a value on state then have an event handler for mousemove which uses this value however it doesn’t seem to be updating after the value has changed. Here is my
How does JavaScript import find the module without an extension?
I understand that we can use import {x} from “./file” and a variable x will be imported from file.js in the same directory. How is this handled if there are files of the same name with different extensions in the directory? For example, if there were file.js and file.ts in the same directory, how would import {x} from “./file” behave?