27 Jan jQuery – Toggle CSS Class
To add or remove a class at the click of a button i.e., toggle, use the toggleClass() method in jQuery. Let us see an example wherein we add a class and set the CSS properties for background color and font color for <h1>, <h2>, and <h3> elements with the click of a button. The same button clicked again will remove the CSS we set before i.e. the class will be removed:
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<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.1/jquery.min.js"></script> <script> $(document).ready(function(){ $("button").click(function(){ $("h1, h2, h3").toggleClass("demo"); }); }); </script> <style> .demo { background: blue; color: white; } </style> </head> <body> <h1>Heading 1</h1> <p>This is demo text</p> <h2>Heading 2</h2> <p>This is another demo text.</p> <h3>Heading 3</h3> <p>This is yet another demo text.</p> <button>Add/ Remove a class (TOGGLE)</button> </body> </html> |
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