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<!DOCTYPE html> <html> <head> <title>Counting Selected Checkboxes Example</title> <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script> <script> $(document).ready(function(){ $("#countSelected").click(function(){ var count = $("input[type='checkbox']:checked").length; alert("Number of selected checkboxes: " + count); }); }); </script> </head> <body> <input type="checkbox" value="Value 1"> Checkbox 1<br> <input type="checkbox" value="Value 2"> Checkbox 2<br> <input type="checkbox" value="Value 3"> Checkbox 3<br> <button id="countSelected">Count Selected</button> </body> </html>
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