SashaKolbasov

var eventsObj = {
    addEvent: function (el, type, fn) {
        if (typeof addEventListener !== 'undefined') {
            el.addEventListener(type, fn, false);
        } else if (typeof attachEvent !== 'undefined') {
            el.attachEvent('on' + type, fn);
        } else {
            el['on' + type] = fn;
        }
    },

SashaKolbasov

function scrollWidth() {
    var div = document.createElement('div');
    div.style.overflowY = 'scroll';
    div.style.width = '50px';
    div.style.height = '50px';
    div.style.visibility = 'hidden';
    document.body.appendChild(div);
    var s = div.offsetWidth - div.clientWidth;
    document.body.removeChild(div);
    return s;

SashaKolbasov

// scrollTo
var scrolllink = $('selector');
scrolllink.click(function () {
  var idscroll = $(this).attr('href');
  $.scrollTo(idscroll, 1000, {
    margin: 'true',
    offset: -80
  });
  return false;
});

SashaKolbasov

* {
  margin: 0;
  padding: 0;
}
html,
body {
  height: 100%;
}
.wrapper {
  display: flex;

SashaKolbasov

.plchfcs {
    opacity: 1;
    transition: opacity .15s ease-out;
}
input {
    &::-webkit-input-placeholder {
        .plchfcs;
    }
    &::-moz-placeholder {
        .plchfcs;

SashaKolbasov

$('form').submit(function() {
    $(this).trigger("reset"); 
});

SashaKolbasov

$('body').click(function (e) {
    if ($(e.target).closest('selector').length == 0) {
        $('selector').removeClass('_active');
    }
});

SashaKolbasov

$('img[src$=".svg"]').each(function () {
        var $img = $(this),
            imgID = $img.attr('id'),
            imgClass = $img.attr('class'),
            imgURL = $img.attr('src');
        $.get(imgURL, function (data) {
            var $svg = $(data).find('svg');
            if (typeof imgID !== 'undefined') {
                $svg = $svg.attr('id', imgID);
            }

SashaKolbasov

<div id="preloader" class="preloader"><span class="spinner"></span></div>

SashaKolbasov

<label class="attach attachInput">
  <span>Загрузите ваше фото</span>
  <input type="file" name="photo" class="photo" accept="image/*" required />
</label>