patorjk/figlet.js — pull request #2 by T1st3 (2014-01-08 22:31:47+00:00)
Title: Update figlet.js

Added dataType:'text' to jQuery.ajax

Without this parameter, Firefox 26 would not load the FIG font and raises an error about XML parsing.
That occured while working locally (on file:// instead of http://)

Adding the proper dataType to the ajax call solved the problem.