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jQuery DrawSVG is lightweight, simple to use jQuery plugin to animate SVG paths. This plugin uses the jQuery built-in animation engine to transition the stroke on every inside the selected element, using stroke-dasharray and stroke-dashoffset properties. http://lcdsantos.github.io/jquery-drawsvg/
JSHint is a community-driven tool to detect errors and potential problems in JavaScript code. It is very flexible so you can easily adjust it to your particular coding guidelines and the environment you expect your code to execute in.
http://jshint.com/