I am working on a project, in that they have used $$ to select an id/class. I am not sure about this. Can anybody tell me what does this mean. I googled it. But did not get proper answer.
$$("#" + idName + "text").setStyle('background', '#000');
It's simply some library shorthand. Like jQuery assigns itself variable
$, some other library may assign
$$ to itself to avoid conflicting with jQuery