read-more-comment-reviews.php

<!-- Add the following JavaScript -->
<script>
jQuery(document).ready(function() {	
	jQuery(".mrp-read-more-comment").on("click", function(e) {
		var btnId = e.currentTarget.id; // mrp-read-more-comment-X
		var parts = btnId.split("-"); 
		var entryId = parts[4];
		
		jQuery("#mrp-comment-full-" + entryId).css( "display", "inline-block" );
		jQuery("#mrp-comment-trim-" + entryId).css( "display", "none" );
		
		e.preventDefault();
	});
});
</script>

<!-- Modify the comment HTML in the rating-result-reviews.php template -->
<?php
/**
 * Comment
 */
if ( strlen( $review_comment ) > 0 && $show_comment ) {
	$read_more = '<a href="#" class="mrp-read-more-comment" id="mrp-read-more-comment-' . $rating_result['rating_entry_id'] . '"> ' . __( '[...]', 'multi-rating-pro' ) . '</a>';
	?>
	<p class="comment mrp" id="mrp-comment-trim-<?php echo $rating_result['rating_entry_id']; ?>"><?php echo "$before_comment" . wp_trim_words( wp_kses_post( nl2br( $review_comment ) ), 10, $read_more ) . "$after_comment"; ?></p>
	<p class="comment mrp" id="mrp-comment-full-<?php echo $rating_result['rating_entry_id']; ?>" style="display: none;"><?php echo "$before_comment" . wp_kses_post( nl2br( $review_comment ) ) . "$after_comment"; ?></p>
	<?php
}