前端代码 返回顶部 backToTop

/*====================================================
  TABLE OF CONTENT
  1. function declearation
  2. Initialization
====================================================*/

/*===========================
 1. function declearation
 ==========================*/
var themeApp = {
    featuredMedia: function(){
        $(".post").each(function() {
            var thiseliment = $(this);
            var media_wrapper = $(this).find('featured');
            var media_content_image = media_wrapper.find($('img'));
            var media_content_embeded = media_wrapper.find('iframe');
            if (media_content_image.length > 0) {
                $(media_content_image).insertAfter(thiseliment.find('.post-head')).wrap("<div class='featured-media'></div>");
                thiseliment.addClass('post-type-image');
                media_wrapper.remove();
            }
            else if (media_content_embeded.length > 0) {
                $(media_content_embeded).insertAfter(thiseliment.find('.post-head')).wrap("<div class='featured-media'></div>");
                thiseliment.addClass('post-type-embeded');
            }
        });
    },
    responsiveIframe: function() {
        $('.post').fitVids();
    },
    sidebarConfig:function() {
        if(sidebar_left == true) {
            $('.main-content').addClass('col-md-push-4');
            $('.sidebar').addClass('col-md-pull-8');
        }
    },
    recentPost:function() {
        var feed_url = "/rss/";
        var code = String('');
        $.get(feed_url, function(data) {
            $(data).find('item').slice(0,recent_post_count).each(function(){
                var full = $(this).find('description').text();
                var content = $(this).contentSnippet;
                var link = $(this).find('link').text();
                var title = $(this).find('title').text();
                var published_date = $(this).find('pubDate').text();
                function format_date (dt) {
                    var d = new Date(dt);
                    var month_name = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
                    var month = month_name[d.getMonth()];
                    var date = d.getDate();
                    var year = d.getFullYear();
                    var formatted_dt = month+' '+date+','+' '+year;
                    return formatted_dt;
                }
                code += '<div class="recent-single-post">';
                code += '<a href="' + link + '" class="post-title">' + title + '</a><div class="date">' + format_date(published_date) + '</div>';
                code += '</div>';
            })
            $(".recent-post").html(code);
        });
    },
    highlighter: function() {
        $('pre code').each(function(i, block) {
            hljs.highlightBlock(block);
          });
    },
    backToTop: function() {
        $(window).scroll(function(){
            if ($(this).scrollTop() > 100) {
                $('#back-to-top').fadeIn();
            } else {
                $('#back-to-top').fadeOut();
            }
        });
        $('#back-to-top').on('click', function(e){
            e.preventDefault();
            $('html, body').animate({scrollTop : 0},1000);
            return false;
        });
    },
    init: function() {
        themeApp.featuredMedia();
        themeApp.responsiveIframe();
        // themeApp.sidebarConfig();
        // themeApp.recentPost();
        themeApp.highlighter();
        themeApp.backToTop();
    }
}

/*===========================
2. Initialization
==========================*/
$(document).ready(function(){
  themeApp.init();
});