Filter WordPress posts by custom taxonomy term with AJAX

get-posts-1.js

$('#container-async').on('click', 'a[data-filter], .pagination a', function(event) {
	if(event.preventDefault) { event.preventDefault(); }

	$this = $(this);

	if ($this.data('filter')) {
		/**
		 * Click on tag cloud
		 */
		$this.closest('ul').find('.active').removeClass('active');
		$this.parent('li').addClass('active');
		$page = $this.data('page');
	}
	else {
		/**
		 * Click on pagination
		 */
		$page = parseInt($this.attr('href').replace(/\D/g,''));
		$this = $('.nav-filter .active a');
	}
	

	$params    = {
		'page' : $page,
		'tax'  : $this.data('filter'),
		'term' : $this.data('term'),
		'qty'  : $this.closest('#container-async').data('paged'),
	};

	// Run query
	get_posts($params);
});