<body> <p id="target">This css method of jQuery. This method applies CSS to controls.</p> <button id="apply">Click ME!</button> <button onclick="location.reload()">Reset</button> </body>
$(document).ready(function()
{
$('#apply').click(function()
{
$('#target').addClass("css");
});
});
.css
{
color:red;
font-weight:bold;
font-family:comic sans ms;
}