Sure! Here's a simple implementation of the classic Pong game using JavaScript and enclosed in HTML's script tags. The game is designed for smartphone operation and uses pictograms for the paddles. To play, you can simply copy and paste the code into a single HTML file, save it, and open the file in a web browser.
This code sets up the game canvas, initializes the paddles and ball positions, handles user input (touch/mouse movements), updates the game state, and renders the game on the canvas. The paddles move vertically based on the user's touch or mouse input. The game loop continuously updates and renders the game on the canvas for smooth gameplay. The scores are displayed using different colors for the user and computer paddles.