[whatwg] Script preloading

Garrett Smith dhtmlkitchen at gmail.com
Fri Aug 30 16:36:38 PDT 2013


On 8/30/13, Ryosuke Niwa <rniwa at apple.com> wrote:
>
> On Aug 30, 2013, at 9:08 AM, Yoav Weiss <yoav at yoav.ws> wrote:
>
>> On Tue, Aug 27, 2013 at 11:55 PM, Ian Hickson <ian at hixie.ch> wrote:
>>
>>> On Thu, 11 Jul 2013, Yoav Weiss wrote:
>>>>
[...]

>>
>> They are fairly common, especially for loading of "mobile" UI components
>> (e.g. jquery mobile). They can also be used to download dynamic page
>> components (e.g. maps) only on larger devices.
>> But, unless adding `media` to script elements is relatively simple, I
>> think
>> that this use-case can be resolved by using the media attribute on <rel
>> subresource>, in combination with ES6 modules or a custom script loader.
>> As
>> far as I understand it, all <link> elements can have a media attribute
>> [1],
>> so this is simply an implementation issue.
>
> I don't think it'll be hard to add the media attribute on the script element
> at least in WebKit.
>
> It'll be much harder to implement a new dependency API that replies on CSS
> selectors if we care about the performance at all.
>
What is this in response to? What dependency API that relies on CSS
selectors? (I'm assuming you mean relies and not replies, but still
not sure what you mean).
-- 
Garrett
Twitter: @xkit
personx.tumblr.com


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