// progress top 버튼
(function($) { "use strict";
$(document).ready(function(){"use strict";
//Scroll back to top
var progressPath = document.querySelector('.progress-wrap path');
var pathLength = progressPath.getTotalLength();
progressPath.style.transition = progressPath.style.WebkitTransition = 'none';
progressPath.style.strokeDasharray = pathLength + ' ' + pathLength;
progressPath.style.strokeDashoffset = pathLength;
progressPath.getBoundingClientRect();
progressPath.style.transition = progressPath.style.WebkitTransition = 'stroke-dashoffset 10ms linear';
var updateProgress = function () {
var scroll = $(window).scrollTop();
var height = $(document).height() - $(window).height();
var progress = pathLength - (scroll * pathLength / height);
progressPath.style.strokeDashoffset = progress;
}
updateProgress();
$(window).scroll(updateProgress);
var offset = 50;
var duration = 550;
jQuery(window).on('scroll', function() {
if (jQuery(this).scrollTop() > offset) {
jQuery('.progress-wrap').addClass('active-progress');
} else {
jQuery('.progress-wrap').removeClass('active-progress');
}
});
jQuery('.progress-wrap').on('click', function(event) {
event.preventDefault();
jQuery('html, body').animate({scrollTop: 0}, duration);
return false;
})
});
})(jQuery);
// progress top 버튼 END