how in the world would jQuery know if you're trying to filter on the
text content "div" or on a descendant div element?
--Karl
On Dec 17, 2009, at 4:35 PM, Matt Maxwell wrote:
> It's a selector or a string of text. jQuery already contains the
> ability to intuitively decipher its selectors.
>
> For example, filter can contain an expression or a function. These
> are two completely different things as well.
>
> On Thu, Dec 17, 2009 at 3:13 PM, Karl Swedberg
> <k...@englishrules.com> wrote:
> But :has() and :contains() do two completely different
> things. :contains() filters based on text contents while :has()
> filters based on selectors. So, I think it would be a really bad
> idea to try to combine them.
>
> --Karl
>
>
> On Dec 17, 2009, at 3:48 PM, Matt Maxwell wrote:
>
>> I think .has() should return a bool, :has() should be combined
>> with :contains() (the finished filter named :contains()),
>> and .contains() should go away.
>>
>> That seems to make the most sense to me, anyways.
>>
>> On Thu, Dec 17, 2009 at 9:20 AM, Karl Swedberg
>> <k...@englishrules.com> wrote:
>> On Dec 16, 2009, at 11:14 PM, John Resig wrote:
>>
>>> People are use to using .has()? It was only just added - at the same
>>> time as .contains() as well.
>>>
>>> I'll mull over the .contains() discrepancy. I may just punt it and
>>> push people towards .has() anyway.
>>>
>>> Looking at .has() now I'm not 100% sure why it's filtering and not
>>> just returning a boolean, like .is(). Hmm. If .has() returns a
>>> boolean
>>> then yeah, consider .contains() gone (and a jQuery.contains will be
>>> provided for those that need a lightweight method).
>>>
>>> --John
>>
>>
>> But if .has() returns a boolean, then we have the same problem
>> with :has() vs. .has() as we had with :contains() vs. contains().
>>
>> Since :has() is a filter, I would expect .has() to be a filter.
>>
>> On Dec 17, 2009, at 12:45 AM, Rick Waldron wrote:
>>> John, I tend to assume that anything prefixed with 'is' or 'has'
>>> will return a boolean. I think this is likely a common assumption.
>>
>> I typically assume the same thing, but in this case .has() is not a
>> prefix; it's the full method name. And we already have the pseudo-
>> selector :has() that acts as a filter.
>>
>>
>> --Karl
>>
>>> On Wed, Dec 16, 2009 at 11:04 PM, ajpiano <ajpi...@gmail.com> wrote:
>>>> It seems like a matter of course that means of filtering that are
>>>> exposed as both pseudoselectors and methods on the jQuery prototype
>>>> return the same set of elements, or at least that they generally
>>>> apply
>>>> the same principle in filtering. Examples include eq, not, first,
>>>> last, and has. While the :parent pseduo doesn't work the same
>>>> as .parent(), most developers know what they're looking for if
>>>> they're
>>>> using :parent.
>>>>
>>>> The new $.fn.contains method, however, doesn't work like :contains.
>>>> Rather than searching for the text content of
>>>> elements, .contains() is
>>>> just a shortcut to $(elem).has("foo").length > 0. I'm not sure why
>>>> this is really a necessary shortcut, given that most people are
>>>> plenty
>>>> used to doing something like .has().length anyway. I tend to
>>>> think,
>>>> however, that .contains () should work like :contains, for
>>>> consistency's sake.
>>>>
>>>> This would have the added benefit of allowing those people who do
>>>> use :contains to write code like this:
>>>>
>>>> var foo = "barbazbat";
>>>> $("div").contains(foo);
>>>>
>>>> instead of
>>>> $("div:contains("+foo+")");
>>>>
>>>> Anyone else have any thoughts on this?
>>>>
>>>> --adam
>>>>
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>>>>
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