🔰image

browser ⟩ canvas ⟩ image

⭐️ 重點

.drawImage() will do nothing if the spicified <img> or <video> is still loading.

🔴 主題

• canvas snapshot

📘 手冊

• CanvasRenderingContext2D ⟩ .drawImage()

• HTMLCanvasElement ⟩ .toDataURL()