Signup Form shows progressive disclosure and micro-interaction

This is Sign Up Form With Progressive Disclosure and Micro Interaction developed using CSS, HTML and JavaScript. Progressive Disclosure means showing information or action when a user actually needs it. This same concept can also be applied to Login Forms. Demo and Download available.

Demo Download

AuthorHimalaya Singh
CreatedSEPTEMBER 16, 2018
LicenseOpen
Compatible browsersChrome, Firefox, Safari

HTML Snippet

<div id="app-cover">
  <h1 id="heading">Sign Up</h1>
  <form method="post" action="" autocomplete="off">
    <div id="inp-box-cover">
      <div id="inp-padd">
        <div class="inp-box" id="email">
          <input type="email" class="inp" placeholder="Your email address" spellcheck="false" autocomplete="off">
        </div>
        <div class="inp-box" id="username">
          <input type="text" class="inp" placeholder="Your username" spellcheck="false">
        </div>
        <div class="inp-box" id="password">
          <input type="password" class="inp" placeholder="Password (More than 5 characters)">
        </div>
        <div id="prev-action-btn"><i class="fas fa-chevron-circle-left"></i></div>
        <div id="next-action-btn"><i class="fas fa-chevron-circle-right"></i></div>
      </div>
      <div id="progress-bar-cover">
        <div id="progress">
          <div id="working">Working<i class="fas fa-sync-alt fa-spin"></i></div>
          <div id="acc-success">Account Created<i class="fas fa-check"></i><span id="init-login">Login now</span></div>
        </div>
      </div>
    </div>
  </form>
</div>

CSS Code

*
{
    outline: none;
}

html, body
{
    height: 100%;
    min-height: 100%;
}

body
{
    margin: 0;
}

input
{
    display: block;
    width: 100%;
    color: #424245;
    font-size: 16px;
    padding: 0;
    margin: 0;
    border: 0;
    background-color: transparent;
}

input::-webkit-input-placeholder
{ 
	color: #9999a2;
}

input:-ms-input-placeholder
{ 
	color: #9999a2;
}

input::-moz-placeholder
{ 
	color: #9999a2;
	opacity: 1;
}

input:-moz-placeholder
{ 
	color: #9999a2;
	opacity: 1;
}

#password input::placeholder
{
    font-weight: normal;
    letter-spacing: 0;
}

#password input
{
    font-weight: bold;
    letter-spacing: 4px;
}

#password input::-webkit-input-placeholder
{ 
    font-weight: normal;
    letter-spacing: 0;
}

#password input:-ms-input-placeholder
{ 
    font-weight: normal;
    letter-spacing: 0;
}

#password input::-moz-placeholder
{ 
    font-weight: normal;
    letter-spacing: 0;
}

#password input:-moz-placeholder
{ 
    font-weight: normal;
    letter-spacing: 0;
}

body, input
{
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#app-cover
{
    position: absolute;
    top: 50%;
    right: 0;
    left: 0;
    max-width: 420px;
    padding: 20px;
    margin: -70px auto 0 auto;
}

#heading
{
    color: #5f5f64;
    font-size: 30px;
    font-weight: bold;
    line-height: 1;
    margin: 0 0 20px 0;
}

#inp-box-cover
{
    position: relative;
    width: 111px;
    height: 6px;
    background-color: #f4f4f4;
    border-radius: 4px;
    overflow: hidden;
    transition: 0.5s cubic-bezier(0.65, 0.05, 0.36, 1) all, 0s ease border;
}

#heading
{
    transition: 0.5s cubic-bezier(0.65, 0.05, 0.36, 1) all;
}

#app-cover.active #heading
{
    margin-top: -57px;
    margin-bottom: 77px;
}

#app-cover.active #inp-box-cover
{
    width: 420px;
    height: 57px;
    margin-top: -57px;
    border: 1px solid #5f5f64;
    box-shadow: inset 0 2px 2px #fff;
}

#inp-padd
{
    padding: 15px 0 21px 15px;
}

.inp-box
{
    position: relative;
    bottom: -36px;
    padding-right: 87px;
    opacity: 0;
    transition: 0.6s ease-in-out all, 1.2s ease-out opacity;
}

.inp-box.active
{
    bottom: 0;
    opacity: 1;
}

.inp-box#username.active
{
    bottom: 21px;
}

.inp-box#password.active
{
    bottom: 42px;
}

.inp-box.inactive
{
    bottom: 36px;
    opacity: 0;
}

.inp-box#username.inactive
{
    bottom: 57px;
}

.inp-box#password.inactive
{
    bottom: 78px;
}

#prev-action-btn, #next-action-btn
{
    position: absolute;
    top: 0;
    right: 15px;
    bottom: 0;
    width: 28.5px;
    height: 51px;
    cursor: pointer;
    overflow: hidden;
}

#prev-action-btn
{
    right: 43.5px;
}

#next-action-btn i, #prev-action-btn i
{
    position: relative;
    left: -5px;
    display: block;
    width: 21px;
    color: #5f5f64;
    font-size: 21px;
    padding: 15px 0 15px 7.5px;
    line-height: 1;
    opacity: 0;
    transition: 0.3s ease-in-out all;
    cursor: pointer;
}

#prev-action-btn i
{
    left: 5px;
    padding-left: 0;
    padding-right: 7.5px;
}

#prev-action-btn.active i, #next-action-btn.active i
{
    left: 0;
    opacity: 1;
}

#progress-bar-cover
{
    position: absolute;
    top: 51px;
    bottom: 0;
    left: 0;
    height: 6px;
    width: 100%;
    background-color: #e7e7e7;
    transition:0.5s ease all;
    z-index: 1;
}

#progress-bar-cover.hide-form
{
    top: 0;
    height: 100%;
}

#progress
{
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    color: transparent;
    width: 0%;
    background-color: #5f5f64;
    transition: 0.5s ease all;
}

#progress-bar-cover.hide-form #progress
{
    width: 100%;
    color: #fff;
    text-align: center;
    padding: 16px 0;
}

#progress i
{
    margin-left: 5px;
}

#working
{
    font-size: 16px;
    line-height: 1;
    padding: 3.5px;
    transform: scale(1);
    display: none;
}

#working.inactive
{
    transform: scale(0);
    transition: 0.5s ease all;
}

#working i
{
    position: relative;
    top: -1px;
    display: inline-block;
    color: #9c9c9c;
    font-size: 15px;
    margin-left: 5px;
    vertical-align: middle;
}

#acc-success
{
    position: absolute;
    top: 57px;
    right: 0;
    left: 0;
    padding: 16px 0;
    opacity: 0;
    transition: 0.5s ease all;
}

#acc-success.active
{
    top: 0;
    bottom: 0;
    opacity: 1;
}

#init-login
{
    float: right;
    font-size: 14px;
    line-height: 1;
    padding: 6px 10px 8px 10px;
    margin: -1px 15px 0 0;
    cursor: pointer;
    border-radius: 20px;
    background-color: #7d7d7d;
    box-shadow: 0 0 0 1px #4d4d4d;
}

JavaScript Snippet

$(function()
{
    var app_cover = $('#app-cover'), inp = $('.inp'), prevAction = $('#prev-action-btn'), nextAction=$('#next-action-btn'), stepComplete = false, progress = $('#progress'), timeOut = null, stepsArr = ['email','username','password'], stepNumber = 1, lastCompletedStep=0, totalSteps = stepsArr.length;

    function checkApp()
    {
        if( stepNumber > 1 )
            return;

        var active = false;
        inp.each(function()
        {
            if( $(this).val().trim().length > 0 )
                active = true;
        });

        if( active )
            app_cover.addClass('active');
        else
        {
            app_cover.removeClass('active');
            inp.parent('div').removeClass('active');
        }
    }

    function _a()
    {
        nextAction.addClass('active');
        stepComplete = true;
        if( lastCompletedStep < stepNumber )
            lastCompletedStep = stepNumber;
    }

    function _b()
    {
        nextAction.removeClass('active');
        stepComplete = false;
    }

    function checkInput()
    {
        var _this = $(this), regex, index = stepNumber - 1, _val = _this.val().trim();
        if( stepsArr[index] == 'email' )
        {
            regex = /^([a-zA-Z0-9_.+-])+\@(([a-zA-Z0-9-])+\.)+([a-zA-Z0-9]{2,4})+$/;
            if(regex.test(_val))
                _a();
            else
                _b();
        }
        else if( stepsArr[index] == 'username' )
        {
            clearTimeout(timeOut);
            timeOut = setTimeout(function()
            {
                if( _val.length > 0 )
                    _a();
                else
                    _b();
            },500);
        }
        else if( stepsArr[index] == 'password' )
        {
            if(_val.length >= 5)
                _a();
            else
                _b();
        }
    }

    function clearForm()
    {
        inp.val('');
        $('.inp-box').removeClass('active inactive');
        nextAction.removeClass('active');
        prevAction.removeAttr('class');
        nextAction.removeAttr('class');
    }

    function moveToPreviousStep()
    {
        --stepNumber;

        if(stepNumber < 1)
        {
            stepNumber = 1;
            prevAction.removeClass('active');
            return;
        }
        else
        {
            if(stepNumber == 1)
                prevAction.removeClass('active');

            if( stepNumber <= lastCompletedStep )
                stepComplete = true;

            nextAction.addClass('active');

            progress.width( (((stepNumber-1)/totalSteps)*100)+'%');
            $('#'+stepsArr[stepNumber]).removeClass('active');
            $('#'+stepsArr[stepNumber - 1]).removeClass('inactive');
        }
    }

    function moveToNextStep()
    {
        if(stepComplete && ($('#'+stepsArr[stepNumber - 1]).find('.inp').val().trim().length > 0) )
        {
            progress.width( ((stepNumber/totalSteps)*100)+'%');

            prevAction.addClass('active');

            if( stepNumber == totalSteps )
            {
                setTimeout(function()
                {
                    $('#progress-bar-cover').addClass('hide-form');

                    $('#working').fadeIn(0);

                    setTimeout(function()
                    {
                        $('#working').addClass('inactive');
                        clearForm();
                    },2300);

                    setTimeout(function()
                    {
                        $('#acc-success').addClass('active');
                    },3300);

                },500);

                return;    
            }

            $('#'+stepsArr[stepNumber-1]).addClass('inactive');
            $('#'+stepsArr[stepNumber]).addClass('active');

            if( stepNumber > lastCompletedStep )
            {
                lastCompletedStep = stepNumber;
                stepComplete = false;
            }

            ++stepNumber; // Now on next step     
        
            if( (stepNumber <= lastCompletedStep) && ($('#'+stepsArr[stepNumber - 1]).find('.inp').val().trim().length > 0)  )
                nextAction.addClass('active');
            else
                nextAction.removeClass('active');
        }
    }

    app_cover.hover( function()
    { 
        var f_elm = $('#'+stepsArr[0]); 
        if( ! $(this).hasClass('active') )
        {
            $(this).addClass('active');
            f_elm.addClass('active');
            setTimeout(function(){ f_elm.find('input').focus(); },1205);
            stepNumber = 1;
            lastCompletedStep = 0;
            stepComplete = false;
        }
    }, 
    function()
    { 
        checkApp();
    });

    inp.on('keyup',checkInput);

    prevAction.on('click',moveToPreviousStep);
    nextAction.on('click',moveToNextStep);
});

Preview

Signup Form shows progressive disclosure and micro-interaction 1

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