In this tutorial, we will learn Jquery UI Dialog Modal Form Example


Example :

<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>JQuery UI Dialog - Modal Form Example</title>
    <link rel="stylesheet" href="http://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
    <script src="https://code.jquery.com/jquery-1.12.4.js"></script>
    <script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
    <style>
        .container{
            margin:40px auto;
            text-align:center;
            border:1px solid #000;
            width:500px;
            padding:40px 20px;
         }
        label, input{
            display:block;
        }
        input.text {
            margin-bottom:12px;
            width:95%;
            padding: .4em;
        }
        fieldset {
            padding:0; 
            border:0; 
            margin-top:25px;
        }
        h1 {font-size: 1.2em; 
            margin: .6em 0;
        }
        div#users-contain {
            width: 400px; 
            margin: 20px auto;
        }
        div#users-contain table { 
            margin: 1em 0; 
            border-collapse: collapse; 
            width: 100%;
        }
        div#users-contain table td, div#users-contain table th { 
            border: 1px solid #eee; 
            padding: .6em 10px; 
            text-align: left; }
        .ui-dialog .ui-state-error { 
            padding: .3em; 
        }
        .validateTips { 
            border: 1px solid transparent; 
            padding: 0.3em; 
        }
        h2{
            text-align: center;
        }
    </style>
</head>
<body>
    <h2>Jquery UI Dialog Modal Form Example - rathorji.in</h2>
    <div class="container">
        <div id="users-contain" class="ui-widget">
            <h1>Existing Users:</h1>
            <table id="users" class="ui-widget ui-widget-content">
                <thead>
                    <tr class="ui-widget-header ">
                        <th>Name</th>
                        <th>Email</th>
                        <th>Password</th>
                    </tr>
                </thead>
                <tbody>
                    <tr>
                        <td>John Doe</td>
                        <td>john.doe@example.com</td>
                        <td>johndoe1</td>
                    </tr>
                </tbody>
            </table>
        </div>
        <div id="dialog-form" title="Create new user">
            <p class="validateTips">All form fields are required.</p>
            <form>
                <fieldset>
                    <label for="name">Name</label>
                    <input type="text" name="name" id="name" value="Jane Smith" class="text ui-widget-content ui-corner-all">
                    <label for="email">Email</label>
                    <input type="text" name="email" id="email" value="jane@smith.com" class="text ui-widget-content ui-corner-all">
                    <label for="password">Password</label>
                    <input type="password" name="password" id="password" value="xxxxxxx" class="text ui-widget-content ui-corner-all">
                    <input type="submit" tabindex="-1" style="position:absolute; top:-1000px">
                </fieldset>
            </form>
        </div>
        <button id="create-user">Create new user</button>
    </div>

    <script type="text/javascript">
    $( function(){
            var dialog, form,
                // From http://www.whatwg.org/specs/web-apps/current-work/multipage/states-of-the-type-attribute.html#e-mail-state-%28type=email%29
                emailRegex = /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/,
                name = $( "#name" ),
                email = $( "#email" ),
                password = $( "#password" ),
                allFields = $( [] ).add( name ).add( email ).add( password ),
                tips = $( ".validateTips" );
                function updateTips( t ) {
                    tips
                    .text( t )
                    .addClass( "ui-state-highlight" );
                        setTimeout(function() {
                        tips.removeClass( "ui-state-highlight", 1500 );
                    }, 500 );
                }
         
                function checkLength( o, n, min, max ) {
                    if ( o.val().length > max || o.val().length < min ) {
                        o.addClass( "ui-state-error" );
                        updateTips( "Length of " + n + " must be between " +
                          min + " and " + max + "." );
                        return false;
                    }else{
                        return true;
                    }
                }
         
                function checkRegexp( o, regexp, n ) {
                    if(!( regexp.test( o.val() ) ) ) {
                        o.addClass( "ui-state-error" );
                        updateTips( n );
                    return false;
                    }else{
                        return true;
                    }
                }
         
                function addUser() {
                    var valid = true;
                    allFields.removeClass( "ui-state-error" );
             
                    valid = valid && checkLength( name, "username", 3, 16 );
                    valid = valid && checkLength( email, "email", 6, 80 );
                    valid = valid && checkLength( password, "password", 5, 16 );
             
                    valid = valid && checkRegexp( name, /^[a-z]([0-9a-z_\s])+$/i, "Username may consist of a-z, 0-9, underscores, spaces and must begin with a letter." );
                    valid = valid && checkRegexp( email, emailRegex, "eg. ui@jquery.com" );
                    valid = valid && checkRegexp( password, /^([0-9a-zA-Z])+$/, "Password field only allow : a-z 0-9" );
             
                    if(valid){
                            $( "#users tbody" ).append( "<tr>" +
                            "<td>" + name.val() + "</td>" +
                            "<td>" + email.val() + "</td>" +
                            "<td>" + password.val() + "</td>" +
                            "</tr>" );
                        dialog.dialog( "close" );
                    }
                    return valid;
                }
         
                dialog = $( "#dialog-form" ).dialog({
                    autoOpen: false,
                    height: 400,
                    width: 350,
                    modal: true,
                    buttons: {
                    "Create an account": addUser,
                    Cancel: function() {
                        dialog.dialog( "close" );
                    }
              },
                close: function() {
                    form[ 0 ].reset();
                    allFields.removeClass( "ui-state-error" );
                }
            });
         
            form = dialog.find( "form" ).on( "submit", function( event ) {
                event.preventDefault();
                addUser();
            });
         
            $( "#create-user" ).button().on( "click", function() {
                dialog.dialog( "open" );
            });
        });
    </script>
</body>
</html>	


May this example help you.