jQuery class selectors
by JasonMore
HTML
<ul>
<li class='foo'> alpha - </li>
<li class='foo bar'> bravo - </li>
<li class='bar'> charlie - </li>
<li> delta - </li>
</ul>
JavaScript
// when the document is done loading, run this function
$(function() {
// alpha bravo charlie delta
var all = $('li').append('all ');
// alpha bravo
var foo = $('li.foo').append('foo ');
// bravo charlie
var bar = $('li.bar').append('bar ');
// bravo
var fooAndBar = $('li.foo.bar').append('fooAndBar ');
// delta
var none = $('li:not([class])').append('none ');
});