D3 3.x, HTML, CSS, JavaScript
http://stackoverflow.com/questions/23888477/wrong-item-clicked-when-using-the-click-event-on-a-svg-circle-using-d3
http://stackoverflow.com/questions/23825126/how-to-update-bubble-chart-in-d3-js
Mootools 1.4.5, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
compare to mine...
compare to Lars
jQuery 1.11.0, HTML, CSS, JavaScript
http://stackoverflow.com/questions/23461979/change-y-axis-labels-in-nvd3-scatter-chart