Sure! Here's a basic implementation of a platform jungle game using JavaScript, enclosed in script tags within a single HTML file:
This implementation sets up a basic platform jungle game where the player controls a character (represented by a colored rectangle) that can jump on a platform (represented by another rectangle). The player can move the platform by pressing left or right keys (for desktop) or by touching the left or right side of the screen (for mobile devices). When the player collides with the platform, they are able to perform a jump. The game state is continuously updated using the `update()` function and drawn on the canvas using the `drawPlayer()` and `drawPlatform()` functions.
Note: This is a basic implementation and can be further expanded to include additional features such as multiple platforms, enemies, collectibles, scoring, etc.