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<!DOCTYPE html> <html> <head> <title>jQuery .css() Method - Toggle CSS Properties</title> <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script> <script> $(document).ready(function(){ $("#toggleCssButton").click(function(){ var div = $("div"); if (div.css("background-color") === "rgb(255, 255, 0)") { div.css({"background-color": "blue", "color": "white"}); } else { div.css({"background-color": "yellow", "color": "black"}); } }); }); </script> </head> <body> <div style="background-color: yellow; color: black; padding: 10px;">This is a div element.</div> <button id="toggleCssButton">Toggle CSS Properties</button> </body> </html>
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