sinneren

/^\/somedirectory\/([\d]+)(\/?)(count-([\d]+))(.*)$/

var new_script = $('<script />', {
src: 'https://...',
async: true,
});
$('body').append(new_script);
//...some actions
new_script.remove();

$(document).scroll(function () {
    if ($(this).scrollTop() <= ($(".block").offset().top - $(window).height())) {
       //sticky
    } else {
        //not sticky
    }
}

* {
	box-sizing: border-box;
}
.block {
	background-color: red;
	height: 200px;
	width: 300px;
	position: relative;
}

.block:before {
	content: '';
	position: absolute;
	left: 0px;
	top: 0px;
	border-top: 30px solid white;
    border-right: 30px solid red;
	z-index: 1;	
}

.block:after {
	content: '';
	display: none;
	position: absolute;
	left: -7px;
	top: 14px;
	width: 42px;
	border-top: 1px solid black;
	transform: rotate(-45deg);
	z-index: 1;	
}
.block:hover {
	border: 1px solid black;
}

.block:hover:before {
	left: -1px;
	top: -1px;
}
.block:hover:after {
	display: block;

}

// jQuery plugin to prevent double submission of forms
jQuery.fn.preventDoubleSubmission = function() {
  $(this).on('submit',function(e){
    var $form = $(this);

    if ($form.data('submitted') === true) {
      // Previously submitted - don't submit again
      e.preventDefault();
    } else {
      // Mark it so that the next submit can be ignored
      $form.data('submitted', true);
    }
  });

  // Keep chainability
  return this;
};