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progress.js
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progress.js
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/* Please ❤ this if you like it! */
(function($) {
"use strict";
//Switch dark/light
$(".switch").on('click', function() {
if ($("body").hasClass("light")) {
$("body").removeClass("light");
$(".switch").removeClass("switched");
} else {
$("body").addClass("light");
$(".switch").addClass("switched");
}
});
$(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);