Add script to footer – on post editor

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How do you add a script on the footer of the post editor ?
I’m adding a meta box under the post editor and I need to include a javascript before the closing body tag (on the footer)

How do I achieve this ?

The script is not needed on the front-end just on that meta_box (just on the post editor page)

1 Answer
1

Hook into 'admin_footer-post-new.php' and 'admin_footer-post.php', check the global variable $post_type:

add_action( 'admin_footer-post-new.php', 'wpse_73692_script' );
add_action( 'admin_footer-post.php', 'wpse_73692_script' );

function wpse_73692_script()
{
    if ( 'post' !== $GLOBALS['post_type'] )
        return;

    ?>
<script>alert( '<?php echo $GLOBALS['post_type'];?>' );</script>
    <?php
}

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