javascript - Stuck on adding/toggling a css class to an html element in jquery -


hey guys i'm new jquery , having ton of trouble making things on own. i'm trying change styling of css class .change, isn't working. need help. in advance.

$(document).ready(function() {  	$('#button').click(function() {  		$(this).addclass('change');  	})  })
html body {  	margin:0;  	padding:0;  	background-color:#3366cc;  }  .main .container {  	margin-top:0;  	text-align:center;  	padding:5%;  }  .main h1 {  	color:white;  	font-size:100px;  	text-transform:uppercase;  }  .main h3 {  	color:white;  	font-size:50px;  }  .main #button {  	color:white;  	background-color:red;  	padding:.5%;  	text-align:center;  	width:10%;  	font-size:25px;  	margin:auto;	  }  .change {  	background-color:black;  }
    <doctype!html>  <html>  	<head>          <title>community-help yours today</title>          <link rel='stylesheet' type='text/css' href='community.css'/>          <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>          <script type='text/javascript' src='community.js'></script>  	</head>  	<body>  		<div class="main">  			<div class="container">  				<h1>community</h1>  				<h3>start initiative, gain support, build project</h3>  				<div id="button">get started</div>  			</div>  		</div>  	</body>  	</html>

you'd best off doing this:

.button {     color:white;     background-color:red;     padding:.5%;     text-align:center;     width:10%;     font-size:25px;     margin:auto;     } .button--changed {     background-color:black; }

add class css directly button.

then toggling .button-changed class. keeps specificity down , won't encounter similar problems further down line.

by adding more specificity, such doing .main #button.changed defer same problem further down line. imagine if need add second changed state reason?

also, don't have contain .button within main in order use it's styles , using class can validly re-use button on page, these bonus point.

here references further explain ...

http://www.impressivewebs.com/css-specificity-irrelevant/

http://csswizardry.com/2011/09/when-using-ids-can-be-a-pain-in-the-class/


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