helicopter | A remake of the helicopter game in HTML5 | Game Engine library

I have a Vheicle class and it's child classes Bus, Helicopter, Train. Is there a way to store all the Bus, Helicopter, Train objects in one array together? I have looked on internet and didn't find any working solution.

This is my code:

Class declaration:

I am creating a drop down menu that shows a submenu when clicked instead of using hover.

When I click it is displayed as it should be but I would like that when I click on another option the previous one is hidden and not kept open as right now.

In advance, thank you very much to the person who takes the trouble to help me, here is the code I'm working with.

I have a dataset containing Reddit data. More specifically, all posts made in subreddit GME that mention "GME". See below for how this looks like:

For reproduction purposes, here is the dictionary of the first 25 rows:

I've Worpress site with JetOne theme installed

When I click root menu element in the main navigation menu to open its items(links in that root element) click action for selected link (the root element) also triggered that's the matter. The problem is present on mobile view for that theme. I already tried

I am trying to get ID to create a voice channel in discord js v12.

I get an undefined array.

I have a helicopter in my game, I want the camera to always look at the back of the helicopter but I can't do it. When the helicopter rotates I cant make the camera rotate with the helicopter. Here is the image of the rotation of the helicopter and camera.This is what I want even the helicopter rotates. But this is what happened \\

Camera initiliazion : const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);

I have created a component which needs to be individually displayed in multiple parts of the application - (inside of my navigation, on the home page and on a separate route). Therefore, I made all my action dispatches (api calls for reading data) inside a useEffect in this component:

I have a problem about implementing recommendation system by using Euclidean Distance.

What I want to do is to list some close games with respect to search criteria by game title and genre.

Here is my project link : Link

After calling function, it throws an error shown below. How can I fix it?

Here is the error

So I have this idea for a game where you dodge projectiles while controlling a helicopter. I am wondering if you can make a sprite appear as a gif, or something along the lines of two images switching every fraction of a second. I know how to make a sprite appear as one image: