Дмитрий Кравченко

$("body, .new_quote, .fa").css("background-color", "rgb(" + [
  getRandomValue(140, 180), 
  getRandomValue(0, 90), 
  getRandomValue(0, 50)
].join(',')+")");

a{ transition: all 0.2s; }
.navbar-brand{ transition: none; }

var changeBg = function(){
  this.style.backgroundImage = 'url(path/to/bg.png)';
}
Array.prototype.forEach.call(document.querySelectorAll('.abc'), function(li){
  li.addEventListener('click', changeBg)
})

NewClass.prototype = Object.create($.extend({}, this, methods, {
    componentName: name
}));

$(element).css('padding-top', parseFloat($(element).css('padding-top'))+ value);

var $elem = $(elem), topValue = parseFloat($elem.css('top').replace('px','')) || 0;
$(window).on('scroll',function() {
  topValue += 20
  $elem.css('top', topValue + 'px');
});

.el{
box-sizing: border-box;
}

var id;
$('[data-target="#StaticModal"]').click(function(){ id = this.id; });