gistfile1.php

add_action( 'wp_footer', 'infinite_load' );
function infinite_load() {
	$paged = get_query_var( 'paged' ) ? intval( get_query_var( 'paged' ) ) : 1;
?>
<script>
	jQuery(document).ready(function($){

		if( window.history && history.pushState ) {
			var $page = <?php echo $paged; ?>;
			var $old_page = $page+1;
			var $busy_infinite = false;
			$('a.next').on('click', function(e){
				var $actual = $(this).attr('href');
				console.log( $actual );
				e.preventDefault();
				if( $busy_infinite == false ){
					$busy_infinite = true;
					$page++;
					$actual = $actual.replace( 'page/'+$old_page, 'page/' + $page );
					$('span.next').show();
					$('a.next').hide();
					$.ajax( {url: $actual + '/?nocache=1', headers:{'X-Requested-With':'BAWXMLHttpRequest'}} )
					.done( function(data){
						$busy_infinite = false;
						if( data != '' ){
							$('span.next').hide();
							$('a.next').show();
							$('#content').append( data );
							window.history.pushState(window.document.title, 'foobar', $actual );	
						}
					})
					.fail( function() {
						$('span.next').hide();
					});
				}
			});
		}
	});
</script>
<?php
}