Testing legend with scroll for an overtly long legend. Test has simple fade out of lines on click of legend item, and moves the legend on roll over of bar lines. Use the slider to increase/decrease the lines and keys in legend.
Modified http://d3js.org/d3.v3.min.js to a secure url
Updated missing url https://rawgit.com/turban/d3.slider/master/d3.slider.js to https://cdn.jsdelivr.net/gh/turban/d3.slider/d3.slider.js
https://d3js.org/d3.v3.min.js
https://cdnjs.cloudflare.com/ajax/libs/lodash.js/3.9.3/lodash.min.js
https://rawgit.com/turban/d3.slider/master/d3.slider.js