node-d3-zoom - 1.8.3+~1.8.4-1 main

Panning and zooming are popular interaction techniques which let the user
focus on a region of interest by restricting the view.
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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.