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<!DOCTYPE html> <html> <head> <title>Select Dropdown Validation Example</title> <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script> <script> $(document).ready(function(){ $("form").submit(function(event){ event.preventDefault(); if ($("#country").val() === "") { alert("Please select a country."); } else { alert("Form submitted successfully."); } }); }); </script> </head> <body> <form> <select id="country"> <option value="">Select a country</option> <option value="USA">USA</option> <option value="Canada">Canada</option> </select><br> <input type="submit" value="Submit" /> </form> </body> </html>
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