wp-admin/export.php:27Display JavaScript on the page.
function export_add_js() { ?><script type="text/javascript"> jQuery( function($) { var form = $('#export-filters'), filters = form.find('.export-filters'); filters.hide(); form.find('input:radio').on( 'change', function() { filters.slideUp('fast'); switch ( $(this).val() ) { case 'attachment': $('#attachment-filters').slideDown(); break; case 'posts': $('#post-filters').slideDown(); break; case 'pages': $('#page-filters').slideDown(); break; } }); } );</script> <?php}Introduced in 3.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/export.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.