[whatwg] document.head

[Alex Russell]

On Sun, Sep 20, 2009 at 2:26 PM, Juriy Zaytsev <kangax.dev at gmail.com> wrote:
>
> On Sep 20, 2009, at 5:20 PM, Joseph Pecoraro wrote:
>
>> On Sep 20, 2009, at 4: 24PM, Juriy Zaytsev wrote:
>>>
>>> Speaking of `document.head`, I think Mootools does exactly that.
>>
>>
>> Good thinking.  I took a look at some JavaScript Libraries / Frameworks.
>>  Here are some quick counts of how many times I could see that they use the
>> "getElementsByTagName" method of getting the "head" element:
>>
>>  - MooTools 1.2.3 has: 2
>>  - jQuery 1.3.2 has: 2
>>  - Ext 3.0.0 has: 5
>>  - YUI 3.0.0b1 has: >10
>>  - Prototype 1.6.1, MochiKit 1.4.2, Dojo 1.3.2 have: 0
>
> There are none in Prototype.js simply because it is a rather small and low
> level library (I'm one of its core developers, btw). Libraries that use,
> say, "global eval" abstraction and/or dependency management (for scripts and
> styles) such as YUI obviously use HEAD more often (which your numbers
> confirm).

Similarly, the only reason that there aren't any in Dojo base is that
by the time you need to do that, you can just
dojo.query("head").at(0)...

Regards