What do you mean by $ symbol in jQuery ? Nectar Websoft 05:59 jQuery Nectar Websoft jQuery is the library of javascript functions. $ is used for accessing functions which are defined in library. Author : Nectar Websoft Share this Google Facebook Twitter More Digg Linkedin Stumbleupon Delicious Tumblr BufferApp Pocket Evernote Related Posts What is jQuery ? jQuery is JavaScript library which contains predefined methods like show(), hide() etc. Replace html contents using jQuery $('li').html('New HTML'); // this replaced all list items on your page with specifWhat is $(document).ready() ? What is $(document).ready() ? Before you can safely use jQuery to do anything to your pApply css class on html elements using jQuery $('div').addClass('active'); // here active is the class name which you want to apply o