Per this, text/javascript is obsolete. Use application/javascript instead.
text/javascript (Obsolete): JavaScript; Defined in and made obsolete
in RFC 4329 in order to discourage its usage in favor of
application/javascript. However, text/javascript is allowed in HTML 4
and 5 and, unlike application/javascript, has cross-browser support.
The "type" attribute of the tag in HTML5 is optional and
there is no need to use it at all since all browsers have always
assumed the correct default (even in HTML 4 where it was required by
the specification).
This standard is incompatible with IE<=8.
