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<!DOCTYPE html> <html> <head> <script src="/lib/jquery-1.12.2.min.js"></script> <script> $(document).ready(function(){ $("button").click(function(){ alert($("input:text").val()); }); }); </script> </head> <body> Firstname: <input type="text" name="fname" value="Peter"><br> Lastname: <input type="text" name="lname" value="Griffin"><br><br> <button>Return the value of the first input field</button> </body> </html>