iThome 鐵人賽 2025 — 從 Canvas 到各式各樣的 Web API 之旅

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HTML 畫布 API

Canvas Magic Photo Canvas Filter & Sticker Playground Canvas vs DOM + CSS Performance Canvas：全量重繪 vs 快取背景

HTML 拖曳 API

Drag and Drop

媒體 API

MediaDevices Screen Capture

裝置／互動 API

Fullscreen / Clipboard / Web Share Screen Orientation / Wake Lock / Vibration

Click the canvas to upload an image. Use the panel to switch the background between Stars and Snow.

Ready.

Image

上傳圖片

Background

Mode

Export

Tip: Press S to export as well