The <canvas> element is your primary drawing surface. The Canvas API provides 2D drawing contexts, allowing you to draw shapes, images, text, and manipulate pixels in real-time.
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requestAnimationFrame(gameLoop); requestAnimationFrame is superior to setInterval because it synchronizes with the browser's refresh rate (typically 60fps) and pauses when the tab is inactive, saving resources. The <canvas> element is your primary drawing surface
Listening to browser events is straightforward: The casual web game, built with Flash, was a dying ember
window.addEventListener('keydown', (e) => if (e.key === 'ArrowLeft') player.velocity.x = -5; ); window.addEventListener('keyup', (e) => if (e.key === 'ArrowLeft') player.velocity.x = 0; ); For mobile, you can listen to touchstart , touchmove , and touchend events. A common pattern is to maintain an object like keys = ArrowLeft: false and update it on events, then read that state during the update() phase.
For 3D, WebGL (via the webgl context) is available, though most 2D games and beginners will stick to the simpler 2D context.