Copy pageCopy pageCopy this page as Markdown for LLMsView as MarkdownView this page as plain textOpen in ClaudeAsk questions about this pageOpen in ChatGPTAsk questions about this pageOn this pageOffscreenCanvas-1OffscreenCanvas: {(width, height): OffscreenCanvas; prototype: OffscreenCanvas;}; Type Declaration Parameters ParameterTypewidthnumberheightnumber Returns OffscreenCanvas prototype prototype: OffscreenCanvas;