Matt Kruse wrote:
> 1) There seems to be a lot of emphasis on using selectors and
> pseudo-selectors to access everything. It makes code short and simple, but
> is it really the most efficient?
Reusing selectors helps performance.
You can reuse a selection by storing selected elements in a variable,
like this:
var $p = $('p');
You can then run as many operations as you like on $p, without any more
selections.
Most of the time, you can take it a step further, and hang onto
selections across
multiple elements/function invocations using closures:
$(document).ready(function(){
var $p = $('p');
$('a').bind('click', function(){
$p.doSomething();
});
});
This way, unless the dom changes, you only have to make the selection
once. :-)
Luke
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