angular/angular.js — pull request #9340 by athomeinafrica (2014-09-30 07:34:53+00:00)
Title: docs(guide/HTML Compiler): change draggable span to block

The draggable example does not work as expected in Chrome (37.0.2062.124 m). The span disappears when dragged beyond what appears to be a small area. Changing the span to a block element (with a width of 65px) resolves this issue.
An alternative solution would be to change the span to a div.