Pan and zoom SVG, HTML or Canvas using mouse or touch input

 Panning and zooming are popular interaction techniques which let the user
 focus on a region of interest by restricting the view.
 .
 The zoom behavior implemented by d3-zoom is a convenient but flexible
 abstraction for enabling pan-and-zoom on selections. It handles a surprising
 variety of input events and browser quirks. The zoom behavior is agnostic
 about the DOM, so you can use it with SVG, HTML or Canvas.
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 Node.js is an event-based server-side JavaScript engine.