<!DOCTYPE html> <html> <head></head> <body> <form action="/" method="post"> <div id="customSize">something</div> <input type="radio" name="EmbedSizeID" value="1" onClick="OptionSelected()" /> <input type="radio" name="EmbedSizeID" value="2" onClick="OptionSelected()" /> <input type="submit" value="Save" id="submitButton" /> </form> <script src="http://code.jquery.com/jquery-1.7.1.js"></script> <script type="text/javascript"> function OptionSelected() { document.getElementById("customSize").style.display = 'none'; var selected = $('input[name="EmbedSizeID"]:checked').val(); if (selected == "4") { document.getElementById("customSize").style.display = 'block'; } } $(document).ready(function () { $("#submitButton").click(function (e) { if (!$('input[name="EmbedSizeID"]').is(':checked')) { return false; } else { return true; } }); }); </script> </body> </html>
Tuesday, 23 December 2014
jQuery - if a radio button not selected, cannot submit the form
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