https://www.slipstick.com/wp-content/plugins/popular-posts-tab-widget-for-jetpack/tab.js

1jQuery(document).ready(function(){
2	// UL = .wooTabs
3	// Tab contents = .inside
4
5	jQuery( '.pptwj-tabs-wrap .inside ul.list li:last-child').css( 'border-bottom','0px' ); // remove last border-bottom from list in tab content
6	jQuery( '.pptwj-tabs-wrap .tab-links').each(function(){
7		jQuery(this).children( 'li').children( 'a:first').addClass( 'selected' ); // Add .selected class to first tab on load
8	});
9	jQuery( '.inside > *').hide();
10	jQuery( '.inside > *:first-child').show();
11
12	jQuery( '.pptwj-tabs-wrap .tab-links li a').click(function(evt){ // Init Click funtion on Tabs
13
14		var clicked_tab_ref = jQuery(this).attr( 'href' ); // Strore Href value
15
16		jQuery(this).parent().parent().children( 'li').children( 'a').removeClass( 'selected' ); //Remove selected from all tabs
17		jQuery(this).addClass( 'selected' );
18		jQuery(this).parent().parent().parent().children( '.inside').children( '*').hide();
19
20		jQuery( '.inside ' + clicked_tab_ref).fadeIn(500);
21
22		 evt.preventDefault();
23
24	});
25	
26	/** Ajax list filter **/
27	jQuery( 'ul.tab-filter-list a' ).click( function(e){
28		var $this = jQuery(this);
29		var $tabWidgetData = {
30			'time' : $this.data('time'),
31			'numberposts' : $this.data('numberposts'),
32			'thumb' : $this.data('thumb'),
33			'tab' : $this.data('tab'),
34			'action' : "pptwj_tabwidget_list"
35		};
36
37		/**
38		 * Display ajax loader/spinner
39		 */
40		var box_height = jQuery('.pptwj-tabs-wrap .boxes').outerHeight();
41		var spinner = jQuery('.pptwj-loader img');
42		var spinner_div = jQuery('.pptwj-loader');
43
44		spinner.css('margin-top', box_height/2);
45		spinner_div.css('height', box_height);
46		spinner_div.show();
47
48		var $tabWidgetHandler = function( $data ){
49			//console.log( $data );
50			spinner_div.hide();
51			if( $data == "" ) return;
52
53			jQuery('ul.tab-filter-list a').removeClass('selected');
54			$this.addClass('selected');
55			
56			var $list = $this.parent().parent().siblings('.list');
57			$list.html( $data );
58		};
59		
60		jQuery.post(
61			PPTWJ.ajaxUrl,
62			$tabWidgetData,
63			$tabWidgetHandler
64		);
65		
66		e.preventDefault();
67	});
68});