setCustomValidity example

script.js

passwordVerifyInput.change(function () {
            if (passwordVerifyInput.val() == passwordInput.val()) {
                passwordVerifyInput[0].setCustomValidity('');
            } else {
                passwordVerifyInput[0].setCustomValidity('Passwords Do Not Match');
            }
        });

taldia.php

<?php

$taldia = get_posts(array( 'category_name' => 'tal-dia-como-hoy', 'numberposts' => 1, 'orderby' => 'post_date', 'post_type' => 'post', ));
foreach($taldia as $post) : setup_postdata($post);
	$image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'un-dia-como-hoy' );
	$image = $image[0];

	$image = str_replace(' ', '/', $image);
	$taldiaprint = '<article id="post-' . get_the_ID() . '" role="article" style="background-image: url("'. $image .'")">';
	$taldiaprint .= $taldiaprint . get_the_content() . '</article>';
endforeach;
echo $taldiaprint;