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<!DOCTYPE html> <html> <body> A Checkbox: <input type="checkbox" id="myCheck" name="myname"> <p>Click the buttons below to display and/or change the value of the name attribute of the checkbox above.</p> <button onclick="display()">Display name</button> <button onclick="change()">Change name</button> <script> function display() { var x = document.getElementById("myCheck").name; alert("The name of the checkbox is: " + x); } function change() { var x = document.getElementById("myCheck").name = "newCheckboxName"; alert ("The name was changed to: " + x); } </script> </body> </html>