Demo by jquery-az.com
jQuery, CSS and HTML
<!DOCTYPE html> <html> <head> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"> <link rel="stylesheet" type="text/css" href="css/bsvalidate/style.css"> </head> <body> <div class="container"> <div id="demo-one-field" class="section"> <h2>Fill one field at least</h2> <div> <div> <div id="atLeastOneExampleDemo"> <form id="atLeastOneForm" action="success.html" method="post" class="well"> <div class="form-group"> <label class="control-label">Textbox 1</label> <input type="text" name="field1" class="form-control" /> </div> <div class="form-group"> <label class="control-label">Textbox 2</label> <input type="text" name="field2" class="form-control" /> </div> <div class="form-group"> <label class="control-label">Textbox 3</label> <input type="text" name="field3" class="form-control" /> </div> <div class="form-group"> <label class="control-label">Textbox 4</label> <input type="text" name="field4" class="form-control" /> </div> <div class="form-group"> <input type="submit" class="btn btn-danger" value="Validate" /> </div> </form> </div> </div> </div> </div><!-- #atLeastOneExample --> </div> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script> <script type="text/javascript" src="js/bsvalidate/jquery.bsvalidate.js"></script> <script type="text/javascript" src="js/bsvalidate/main.js"></script> </body> </html>
Fill one field at least
Textbox 1
Textbox 2
Textbox 3
Textbox 4