No-Library (pure JS), HTML, CSS, JavaScript
jQuery 1.11.0, HTML, CSS, JavaScript
http://bl.ocks.org/d3noob/6eb506b129f585ce5c8a http://www.d3noob.org/2014/07/my-favourite-tooltip-method-for-line.html
AngularJS 1.2.1, HTML, CSS, JavaScript