wp-content/themes/twentysixteen/inc/customizer.php:499Binds JS handlers to make the Customizer preview reload changes asynchronously.
function twentysixteen_customize_preview_js() { wp_enqueue_script( 'twentysixteen-customize-preview', get_template_directory_uri() . '/js/customize-preview.js', array( 'customize-preview' ), '20170530', array( 'in_footer' => true ) );}Introduced in Twenty Sixteen 1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-content/themes/twentysixteen/inc/customizer.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.