toggleClass(), jQuery

The toggleClass(),  from jQuery adds or removes the specified class. In the example below, you'll see a practical application. Syntax: selector.toggleClass("ClassName") See the example below. Show / Hide Script Show / Hide Demo <head> <style type='text/css'> .line{ color:orange; font-weight:bold; border:solid 1px green; } .alter{ color:white; font-style:italic; border:solid 2px blue; background:orange; } </style> <script src='http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js'></script> <script type='text/javascript'> $(document).ready(function(){ var num=0 $('.line').click(function(){ $(this).toggleClass('alter') }) }) </script> </head> <body> <p class='line'>Click! This is the first Line...</p> <p class='line'>Click! This is the second Line..</p> <p class='line'>Click! This is the third Line..</p> <p class…