dpochet

Hi David.
Your #1 advice works, thanks. Here below the .js code extract.

<script type="text/javascript">
    var mediaList=[
  <?php
    $gallery = do_shortcode( '[mla_gallery attachment_tag="Anniversaire" attachment_category="Cartoon" post_parent=all size=full link=none mla_style=none orderby=rand]' );
    $count = preg_match_all( '/src=(\"[^\"]*\")/', $gallery, $mla_matches );
    if ( $count ) {
        echo implode(",", $mla_matches[1]);
    }
  ?>
    ];
   alert(mediaList.join("\n"));
</script>

I’ll probably dig into the #2 advice as well, since I feel it’s a bit pity to format, then unformat the list.
Dimitri.