JavaScript Car Driving Game from scratch with source code

Set up the HTML structure for the JavaScript car game by creating a score display, a start screen, and a game area with a height class to toggle visibility.

Implement keydown and keyup listeners on the document to track pressed keys with a keys object, supporting multiple keys and updating actions based on arrow keys.

Explore window.requestAnimationFrame to create a looping animation for a car in a browser game. Learn how to start the game, handle timestamps, and move the car element.

Move a blue car div with arrow keys by updating its absolute left and top positions, tracking x and y coordinates and speed to create smooth on-screen motion.

Center the road as the game area with a black background and 200px width. Clamp the car's movement to the road boundaries using the bounding rectangle.

Learn to create and animate road lines in a JavaScript driving game by dynamically generating five white divs, centering them on a 200px road in the animation frame.

Use querySelectorAll to grab line elements, loop through them, set each line's y position, and reset when off screen, updating the top style accordingly.

Generate more cars as enemies, giving them a red background and off-screen starting positions. Move the enemies downward and detect collisions to end the game.

Implement collision detection between car and enemies using getBoundingClientRect, an isCollide function, and overlap checks of top, bottom, left, and right to stop the game on hit.

Implement a live score that updates each loop and ends the game on collision, showing the final score and enabling restart.

Reset the game by clearing the gameplay area and resetting the player and score to their initial state for a fresh start.

Create a random color function that returns random hex values by converting 0 to 255 rgb to two-digit hex strings with a leading zero, applying colors to enemies and items.

Apply a background image via URL and a car PNG to improve visuals, and set the road width from 200 to 400 for better playability.

Apply a quick css update to the start screen with position absolute, red background, white text, and a 50 percent width; adjust left, top, font size, and z-index for clarity.

Review the car driving game code, covering the start screen and game loop, line and enemy movement, collision detection with getBoundingClientRect, score, and restart setup.