The element class selector selects all the elements which match with the given class of the elements.
Here is the simple syntax to use this selector −
$('.classid')
Here is the description of all the parameters used by this selector −
classid − This is class ID available in the document.
Like any other jQuery selector, this selector also returns an array filled with the found elements.
$('.big') − Selects all the elements with the given class ID big.
$('p.small') − Selects all the paragraphs with the given class ID small.
$('.big.small') − Selects all the elements with a class of big and small.
Following example would select all divisions with class .big and will apply yellow color to its background −
<html> <head> <title>The Selecter Example</title> <script type = "text/javascript" src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"> </script> <script type = "text/javascript" language = "javascript"> $(document).ready(function() { /* This would select second division only*/ $(".big").css("background-color", "yellow"); }); </script> </head> <body> <div class = "big" id="div1"> <p>This is first division of the DOM.</p> </div> <div class = "medium" id = "div2"> <p>This is second division of the DOM.</p> </div> <div class = "small" id = "div3"> <p>This is third division of the DOM</p> </div> </body> </html>
This will produce following result −