Using the $ in a js variable (in the jQuery world) is generally a sign that the variable contains a jQuery object. It's just a nice way of helping the programmer know what to expect.
-----Original Message----- From: jquery-en@googlegroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Feijó Sent: Monday, November 19, 2007 12:40 PM To: jquery-en@googlegroups.com Subject: [jQuery] Re: (this) question why do you use $ in JS variables? get used to after long years in php? :) Feijó ----- Original Message ----- From: "Michael Geary" <[EMAIL PROTECTED]> To: <jquery-en@googlegroups.com> Sent: Monday, November 19, 2007 3:14 PM Subject: [jQuery] Re: (this) question > > Every function call has its own "this" - that's just the way JavaScript > works. > > To fix it, assign "this" - or better yet in your case, "$(this)" - into a > variable outside the click function. We can also avoid the repeated calls > to > the same selector by using another variable: > > $('.wallpaper').each(function(){ > var $wallpaper = $(this); > var $anim = $wallpaper.find('.images > .anim').hide(); > > $wallpaper.find('.buttons > .anim').click(function(event){ > $('p').toggleClass( 'rainbows' ); > $wallpaper.find('p').toggleClass('fraggle'); > // $anim.show(); > // $wallpaper.find('.images > .static').hide(); > return false; > }) > }); > > -Mike >
