virtual whiteboard
虚拟白板 / canvas
https://twitter.com/excalidraw
https://github.com/excalidraw/excalidraw
demo
https://excalidraw.com/#json=5177687823876096,cSeI4Xtq0qmgGfwFONFjfg
$;
// ƒ $(selector, [startNode]) { [Command Line API] }
$$;
// ƒ $$(selector, [startNode]) { [Command Line API] }
refs
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