Quick HitTest example for Marco...
No glitches while dragging
AngularJS 1.1.1, HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, JavaScript
No-Library (pure JS), HTML, CSS, CoffeeScript
simple example
jQuery 3.3.1, HTML, CSS, JavaScript
Lists user Fiddles (new API). Using JSONP.
jQuery 2.1.0, HTML, CSS, JavaScript
http://community.sitepoint.com/t/change-picture-displayed-to-form/111843
Mootools 1.4.5, HTML, CSS, JavaScript
Mootools 1.4.4, HTML, CSS, JavaScript