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<!DOCTYPE html> <html> <head> <title>jQuery .fadeTo() Method - Callback</title> <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script> <script> $(document).ready(function(){ $("#fadeToButton").click(function(){ $("div").fadeTo("slow", 0.5, function(){ alert("The div is now at 50% opacity."); }); }); }); </script> </head> <body> <div style="background-color: yellow; padding: 10px;">This is a div element.</div> <button id="fadeToButton">Fade Div to 50% Opacity with Callback</button> </body> </html>
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