<body> <div>This is div1 element.</div> <div>This is div2 element.</div> <div>This is div3 element.</div> <br /> <button id="myButton">Click Me</button> <button onclick="location.reload()">Reset</button> </body>
$(document).ready(function() { $("#myButton").click(function() { $("div:contains('div2')").css({'background-color':'Green','font-size':'20px'}); }); });