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How to compare an array of objects with an array of strings?
How to compare these arrays? I want to compare and get a result like the below. Array of string Array of object As you can see there is no Sliders categoryName in the array of string. I expected the result should be another array of objects. As the following Thanks! Answer You can use .filter as follows:
Isn’t polymorphism works wrong in JS ES
I’m currently working on a browser extension to manage opened tabs and I notice that in JS ES polymorphism works a bit strange when I declare class fields at the top of the class. Let say that we want to use polymorphism in object initialization. E.g. we have base class View: and derived class TabView: …
What is the proper way to test Vue3 async setup component with suspense?
No doubt that Suspense feature leads to a cleaner code base, but as tidy as it is, it turns to be hard to test. Specifically it is not well documented yet. case: Regular app generated by VUE CLI Tech stack: Vuex, Router, PWA, jest for unit testing Challenge: I made use of Suspense component as recommended as …
Images not displaying on dynamic generated content
I’m working on uploading multiple images one at a time by dynamically generating the input field and image element. However, my code doesn’t display the images on the dynamically generated image element. Answer Instead of making event handler for all files use can just one event handler and then i…
How does work LexicalEnvironment and VariableEnvironment?
In first example, I expected to see undefined instead 3. Why does console show 3 in first example? Is it related with LexicalEnvironment and VariableEnvironment? and Answer Why does console show 3 in first example? num is already declared in the environment, as parameter. Hence the var num statement is ignore…
CSS animation triggered through JS only plays every other click
I want to make a simple JavaScript onclick animation. My problem is that when I click onto the button, the animation is executed, but when I click again onto the button, nothing happens. On the third clicks the animation plays again. I want to make that, the animation plays at the second click. Heres my code&…
Display different video source according to screen size
I am trying to load different videos according to the screen size. I found a solution to doing this using javascript. However, I am not able to integrate this code into nuxt.js. Working Code: HTML JAVASCRIPT The Fiddle: https://jsfiddle.net/j78w36er/2/ I tried to integrate like this: I would be very thankful …
Passing dynamic boolean props to a VueJS component
How can I attach dynamic properties to a VueJS Component using VuetifyJS? I have the following VuetifyJS code example that creates a select field element: This creates a functional VuetifyJS select component, however I want to know how to pass the boolean props multiple, attach, chips to the select element as…
How to make summary module that re-exports all the exports of sub-modules for ESM modules?
How do you re-export the exports from multiple files in an ESM module without listing each individual export separately? I have a CommonJS module directory that consists of a number of files that I would like to convert to ESM imports/exports. Currently, I have an index.js file that contains this: This re-exp…