modifying every other element’s class inside while loop

<?php 
$homePosts = new WP_Query(array(
    'posts_per_page' => 5                       
));

$count = 1;

while ($homePosts->have_posts()) {
  $homePosts->the_post(); 

    if ( $count % 2 == 0 ) {
        $class="right";
    } else {
        $class="left";
    }

?>

<section class="align-<?php echo $class; ?>" >
    <div class="content">
        <?php the_title(); ?>
        <?php the_content(); ?>                                 
    </div>
</section>

<?php 
$count++;

} wp_reset_postdata(); 

?>

You can try this code