Multi step Form with Client-side Validation jQuery Plugin  


File Structure

form-validation/
┣ js/
┃ ┗ main.js
┣ plugins/
┃ ┣ jquery.maskedinput.js
┃ ┗ jquery.validate.js
┗ index.php

index.php

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>jQuery accordion form with validation</title>
        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
    </head>
    <body>
        <div class="container">
            <div class="row">
                <div class="col">
                    <div id="wrap">
                        <div id="main">  
                            <h3>This form is complete - in only 3 steps!</h3>
                            <form name="cmaForm" id="cmaForm" method="post">
                                <input type="hidden" name="recordRequestPrimaryServiceID" id="recordRequestPrimaryServiceID" value="100">
                                <input type="hidden" name="recordClientServices" id="recordClientServices" value="1,3">
                                <ul id="stepForm" class="ui-accordion-container">
                                    <li id="sf1">
                                        <a href='#' class="ui-accordion-link"></a>
                                        <div>
                                            <fieldset>
                                                <legend>Step 1 of 3</legend>
                                                <div class="requiredNotice">*Required Field</div>
                                                <h5 class="stepHeader">Tell us about the property you're buying</h5>
                                                <label for="recordPurchaseMetRealtor" class="input required">Are you currently working with a
                                                    <br>real estate agent?</label>&nbsp;&nbsp;No:
                                                <input name="recordPurchaseMetRealtor" type="radio" checked="checked" class="inputclass" value="0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Yes:
                                                <input name="recordPurchaseMetRealtor" type="radio" class="inputclass pageRequired" value="1" title="Please choose Yes or No">
                                                <div class="formspacer"></div>
                                                <label for="recordPurchaseTimeFrameID" class="input required">When would you like to move?</label>
                                                <select name="recordPurchaseTimeFrameID" id="recordPurchaseTimeFrameID" class="inputclass pageRequired" title="Select a Time Frame">
                                                    <option value="">-Select-</option>
                                                    <option value="1">Less than 3 months</option>
                                                    <option value="2">3-6 months</option>
                                                    <option value="3">6-9 months</option>
                                                    <option value="4">9-12 months</option>
                                                    <option value="5">Over 12 months</option>
                                                </select>
                                                <br>
                                                <label for="recordPurchasePriceRangeID" class="input required">Purchase price range:</label>
                                                <select name="recordPurchasePriceRangeID" id="recordPurchasePriceRangeID" class="inputclass pageRequired" title="Select a Price Range">
                                                    <option value="">-Select-</option>
                                                    <option value="1"></option>
                                                    <option value="2">$75,000 - $100,000</option>
                                                    <option value="3">$100,000 - $125,000</option>

                                                </select>
                                                <br>
                                                <label for="recordPurchaseState" class="input required">State:</label>
                                                <select name="recordPurchaseState" id="recordPurchaseState" class="inputclass pageRequired" title="Select a State">
                                                    <option value="">-Select-</option>
                                                    <option value="AL">Alabama</option>

                                                </select>
                                                <br>
                                                <label for="recordPurchasePropertyTypeID" class="input">Desired property type:</label>
                                                <select name="recordPurchasePropertyTypeID" id="recordPurchasePropertyTypeID" class="inputclass" title="Select a Property Type">
                                                    <option value="">-Select-</option>
                                                    <option value="1">Single Family Detached</option>

                                                </select>
                                                <br>
                                                <div class="buttonWrapper">
                                                    <input name="formNext1" type="button" class="open1 nextbutton" value="Next" alt="Next" title="Next">
                                                </div>
                                            </fieldset>
                                        </div>
                                    </li>
                                    <li id="sf2">
                                        <a href='#' class="ui-accordion-link">
                                        </a>
                                        <div>
                                            <fieldset>
                                                <legend>Step 2 of 3</legend>
                                                <div class="requiredNotice">*Required Field</div>
                                                <h3 class="stepHeader">Tell us about the property you're selling</h3>
                                                <label for="recordClientTimeFrameID" class="input required">When would you like to sell?</label>
                                                <select name="recordClientTimeFrameID" id="recordClientTimeFrameID" class="inputclass pageRequired" title="Select a Time Frame">
                                                    <option value="">-Select-</option>
                                                    <option value="1">Less than 3 months</option>

                                                </select>
                                                <br>
                                                <label for="recordClientHomeTypeID" class="input required">Type of property you are selling:</label>
                                                <select name="recordClientHomeTypeID" id="recordClientHomeTypeID" class="inputclass pageRequired" title="Select a Property Type">
                                                    <option value="">-Select-</option>
                                                    <option value="1">Single Family Detached</option>

                                                </select>
                                                <br>
                                                <label for="recordPropertyAddress1" class="input required">Property Street Address:</label>
                                                <input name="recordPropertyAddress1" id="recordPropertyAddress1" class="inputclass pageRequired" title="Street Address is required" maxlength="254" onblur="recordClientAddress1.value = this.value">
                                                <br>
                                                <label for="recordPropertyAddress2" class="input">Address (2):</label>
                                                <input name="recordPropertyAddress2" id="recordPropertyAddress2" class="inputclass" maxlength="254" onblur="recordClientAddress2.value = this.value">
                                                <br>
                                                <label for="recordPropertyCity" class="input required">City:</label>
                                                <input name="recordPropertyCity" id="recordPropertyCity" class="inputclass pageRequired" title="City is required" maxlength="254" onblur="recordClientCity.value = this.value">
                                                <br>
                                                <label for="recordPropertyState" class="input required">State:</label>
                                                <select name="recordPropertyState" id="recordPropertyState" class="inputclass pageRequired" title="Select a State" onchange="recordClientState.value = this.value">
                                                    <option value="">-Select-</option>
                                                    <option value="AL">Alabama</option>
                                                </select>
                                                <br>
                                                <label for="recordPropertyZip" class="input required">Zip:</label>
                                                <input name="recordPropertyZip" id="recordPropertyZip" class="inputclass pageRequired" title="Zip Code is required" maxlength="254" onblur="recordClientZip.value = this.value">
                                                <br>
                                                <label for="recordClientPropertyValueID" class="input required">Estimated Market Value:</label>
                                                <select name="recordClientPropertyValueID" id="recordClientPropertyValueID" class="inputclass pageRequired" title="Select a Price Range">
                                                    <option value="">-Select-</option>
                                                    <option value="1">Less Than $75K</option>
                                                    <option value="2">$75-$100K</option>
                                                </select>
                                                <br>
                                                <label for="recordPropertyBedroomsID" class="input">Bedrooms:</label>
                                                <select name="recordPropertyBedroomsID" id="recordPropertyBedroomsID" class="inputclass">
                                                    <option value="">-Select-</option>
                                                    <option value="1">1</option>

                                                </select>
                                                <br>
                                                <label for="recordPropertyBathroomsId" class="input">Bathrooms:</label>
                                                <select name="recordPropertyBathroomsId" id="recordPropertyBathroomsId" class="inputclass">
                                                    <option value="">-Select-</option>
                                                    <option value="1">1</option>

                                                </select>
                                                <br>
                                                <label for="recordPropertyAgeId" class="input">Approx. Age of Home:</label>
                                                <select name="recordPropertyAgeId" id="recordPropertyAgeId" class="inputclass">
                                                    <option value="">-Select-</option>
                                                    <option value="1">Less Than 1 year</option>
                                                    <option value="2">1-5 years</option>

                                                </select>
                                                <br>
                                                <label for="recordPropertySqFt" class="input">Approx. Square Footage:</label>
                                                <input name="recordPropertySqFt" id="recordPropertySqFt" class="inputclass" maxlength="254">
                                                <br>
                                                <div class="buttonWrapper">
                                                    <input name="formBack0" type="button" class="open0 prevbutton" value="Back" alt="Back" title="Back">
                                                    <input name="formNext2" type="button" class="open2 nextbutton" value="Next" alt="Next" title="Next">
                                                </div>
                                            </fieldset>
                                        </div>
                                    </li>
                                    <li id="sf3">
                                        <a href='#' class="ui-accordion-link">
                                        </a>
                                        <div>
                                            <fieldset>
                                                <legend>Step 3 of 3</legend>
                                                <div class="requiredNotice">*Required Field</div>
                                                <h3 class="stepHeader">Tell us about yourself</h3>
                                                <label for="recordClientNameFirst" class="input required">First Name:</label>
                                                <input name="recordClientNameFirst" id="recordClientNameFirst" class="inputclass pageRequired" title="First Name is required" maxlength="254">
                                                <br>
                                                <label for="recordClientNameLast" class="input required">Last Name:</label>
                                                <input name="recordClientNameLast" id="recordClientNameLast" class="inputclass pageRequired" maxlength="254" title="Last Name is required">
                                                <br>
                                                <label for="recordClientAddress1" class="input required">Current Address:</label>
                                                <input name="recordClientAddress1" id="recordClientAddress1" class="inputclass pageRequired" maxlength="254" title="Address is required">
                                                <br>
                                                <label for="recordClientAddress2" class="input">Address (2):</label>
                                                <input name="recordClientAddress2" id="recordClientAddress2" class="inputclass" maxlength="254">
                                                <br>
                                                <label for="recordClientCity" class="input required">City:</label>
                                                <input name="recordClientCity" id="recordClientCity" class="inputclass pageRequired" maxlength="254" title="City is required">
                                                <br>
                                                <label for="recordClientState" class="input required">State:</label>
                                                <select name="recordClientState" id="recordClientState" class="inputclass pageRequired" title="Select a State">
                                                    <option value="">-Select-</option>
                                                    <option value="AL">Alabama</option>
                                                    <option value="AK">Alaska</option>

                                                </select>
                                                <br>
                                                <label for="recordClientZip" class="input required">Zip:</label>
                                                <input name="recordClientZip" id="recordClientZip" class="inputclass pageRequired" maxlength="12" title="Zip Code is required">
                                                <br>
                                                <label for="recordClientPhone" class="input required">Phone Number:</label>
                                                <input name="recordClientPhone" id="recordClientPhone" class="inputclass pageRequired" maxlength="254" title="Phone Number is required">
                                                <br>
                                                <label for="recordClientPhoneAlt" class="input">Alternate Number:</label>
                                                <input name="recordClientPhoneAlt" id="recordClientPhoneAlt" class="inputclass" maxlength="254">
                                                <br>
                                                <label for="recordClientEmail" class="input required">Email Address:</label>
                                                <input name="recordClientEmail" id="recordClientEmail" class="inputclass pageRequired email" maxlength="254" title="Email address is required">
                                                <br>
                                                <label for="recordClientEmail1" class="input required">Confirm Email:</label>
                                                <input name="recordClientEmail1" id="recordClientEmail1" class="inputclass pageRequired" equalTo: "'#recordClientEmail" maxlength="254" title="Please confirm your email address">
                                                       <br>
                                                <br>
                                                <p class="formDisclaimer">This is a sample form, no information is sent anywhere.</p>
                                                <div class="buttonWrapper">
                                                    <input name="formBack1" type="button" class="open1 prevbutton" value="Back" alt="Back" title="Back">
                                                    <input name="submit" type="submit" id="submit" value="Submit" class="submitbutton" alt="Submit" title="Submit">
                                                </div>
                                            </fieldset>
                                        </div>
                                    </li>
                                </ul>
                            </form>
                        </div>
                    </div>

                </div>
            </div>
        </div>

        <script src="https://code.jquery.com/jquery-2.2.4.min.js"></script>
        <script src="plugins/jquery.validate.js"></script>
        <script src="plugins/jquery.maskedinput.js"></script>
        <script src="https://code.jquery.com/ui/1.10.4/jquery-ui.min.js"></script>
        <script src="js/main.js"></script>
    </body>
</html>


main.js 

$(document).ready(function() {
    $("#recordClientPhone").mask("(999) 999-9999");
    $("#recordClientPhoneAlt").mask("(999) 999-9999");
    $("#recordClientZip").mask("99999");
    $("#recordPropertyZip").mask("99999");
    $("#recordPurchaseZip").mask("99999");

    // add * to required field labels
    $('label.required').append('&nbsp;<strong>*</strong>&nbsp;');

    // accordion functions
    var accordion = $("#stepForm").accordion();
    var current = 0;

    $.validator.addMethod("pageRequired", function(value, element) {
        var $element = $(element)

        function match(index) {
            return current == index && $(element).parents("#sf" + (index + 1)).length;
        }
        if (match(0) || match(1) || match(2)) {
            return !this.optional(element);
        }
        return "dependency-mismatch";
    }, $.validator.messages.required)

    var v = $("#cmaForm").validate({
        errorClass: "warning",
        onkeyup: false,
        onfocusout: false,
        submitHandler: function() {
            alert("Submitted, thanks!");
        }
    });

    // back buttons do not need to run validation
    $("#sf2 .prevbutton").click(function() {
        accordion.accordion("option", "active", 0);
        current = 0;
    });
    $("#sf3 .prevbutton").click(function() {
        accordion.accordion("option", "active", 1);
        current = 1;
    });
    // these buttons all run the validation, overridden by specific targets above
    $(".open2").click(function() {
        if (v.form()) {
            accordion.accordion("option", "active", 2);
            current = 2;
        }
    });
    $(".open1").click(function() {
        if (v.form()) {
            accordion.accordion("option", "active", 1);
            current = 1;
        }
    });
    $(".open0").click(function() {
        if (v.form()) {
            accordion.accordion("option", "active", 0);
            current = 0;
        }
    });
});


You can download plugin files, below is button to download source code 


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