Thank you for those quick answers John! I'll file the ticket.
On Aug 14, 2:23 pm, John Resig <jere...@gmail.com> wrote:
> > 1. The function hasClass is written this way:
> > hasClass: function( selector ) {
> > return !!selector && this.is( "." + selector );
> > },
>
> > Why not simply testing the className against the selector:
> > return !!selector && (" " + this.className + " ").indexOf(" " +
> > selector + " ") != -1;
>
> Actually, this was one change that we were slated to make for jQuery 1.3.3
> (along with getting rid of the internal jQuery.className.has method).
>
>
>
> > 2. In sizzle, many regular expressions for the selectors include:
> > ((?:[\w\u00c0-\uFFFF_-]|\\.)+)
>
> > Why is "_" added to the pattern? Isn't it already included in "\w"?
> > And what is "|\\." for?
>
> Yep, _ is redundant. Can you file a ticket?http://dev.jquery.com/newticket
>
> |\\. is for detecting cases where someone escapes a character in a selector,
> like so:
>
> $("#foo\\:bar") to find something with id="foo:bar"
>
> --John
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