LIVE AT: https://maksmondeo.github.io/JavaScript-RPG-TopDown-game-prototype
While creating this masterpiece, I didn't expect to publish it anywhere. As a result, some variables in the code are in Polish, but I've added comments to help understand it.
Image sources:
maps (made by myself via these assets) https://butterymilk.itch.io/tiny-wonder-forest
battle background https://pl.pinterest.com/pin/390687336425470929/
items https://alexs-assets.itch.io/16x16-rpg-item-pack
slime https://game-endeavor.itch.io/mystic-woods
character https://co.pinterest.com/pin/pokemons-sprite--56224695339523155/