In this example, we will learn how to add or remove styles in Jquery.
Syntax to Apply Style
$("#elementId").addClass("cssClassName");
Syntax to Remove Style
$("#elementId").removeClass("cssClassName");
Example Program
addRemoveCss.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>JQuery CSS Example</title>
<link type="text/css" href="styles/addRemoveCss.css" rel="stylesheet" />
</head>
<script type="text/javascript" src="lib/jquery-1.8.0.min.js"></script>
<script type="text/javascript" src="js/addRemoveCss.js"></script>
<body>
<input type="button" id="changeColorBtn" value="Change Color" />
<br>
<br>
<div id="myDiv" style="width: 375px">Div</div>
</body>
</html>
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addRemoveCss.css
@CHARSET "ISO-8859-1";
.redColor {
background: red;
}
.blueColor {
background: blue;
}
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addRemoveCss.js
$(document).ready(function() {
$("#changeColorBtn").click(function() {
$("#myDiv").addClass("redColor");
alert("redColor added");
$("#myDiv").addClass("blueColor");
alert("blueColor added.....");
$("#myDiv").removeClass("blueColor");
alert("blueColor removed");
});
});
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