问Google Material Design和无限卷轴

EN

<div class="mdl-layout mdl-js-layout mdl-layout--fixed-header mdl-layout--fixed-drawer">
<header class="mdl-layout__header">
    Head
</head>
<main class="mdl-layout__content">
    <div class="rfp_hide" id="rhm_post_show">
        <?php
        if ( get_query_var('paged') ) {
            $paged = get_query_var('paged');
        } elseif ( get_query_var('page') ) {
            $paged = get_query_var('page');
        } else {
            $paged = 1;
        }
        $args = array(              
            'paged'=>$paged,
            'posts_per_page' => 5,              
            'orderby' => 'date',            
            'order' => 'DESC'
            );
        $loop = new WP_Query( $args );
        global $post, $paged; 
        while ( $loop->have_posts() ) : $loop->the_post(); 
        ?>
        <div class="rhm_post_container">
            Post
        </div>
        <?php endwhile; ?>
        <?php wp_reset_postdata(); ?>       
    </div>
    <nav id="rh_nav_below">
        <ul>
            <li class="rh_nav_previous"><?php previous_posts_link( '&laquo; PREV', $loop->max_num_pages) ?></li> 
            <li class="rh_nav_next"><?php next_posts_link( 'NEXT &raquo;', $loop->max_num_pages) ?></li>
        </ul>
    </nav>
</main>
</div>


<script>
var container = document.querySelector('#rhm_post_show');
var msnry = new Masonry( container, {
  // options
  itemSelector: '.rhm_post_container',
  gutter: 10
});

var ias = $.ias({
  container:  '#rhm_post_show',
  item:       '.rhm_post_container',
  pagination: '#rh_nav_below',
  next:       '.rh_nav_next a',
  delay: 100
});

ias.on('render', function(items) {
  $(items).css({ opacity: 0 });
});

ias.on('rendered', function(items) {
  msnry.appended(items);
});

 ias.extension(new IASSpinnerExtension());
 ias.extension(new IASNoneLeftExtension({html: '<div class="ias-noneleft" style="text-align:center"><p><em>You reached the end!</em></p></div>'}));
 </script>