How do I defer or async this WordPress javascript snippet to load lastly for faster page load times?

Question

I have various javascripts that are necessary plugins in one of my WordPress domains, and I know where in the php file it\'s called from.

I\'m taking every measure I

Answer 1

A simplified method. Add to your functions.php file to make make JavaScript asynchronous in Wordpress

// Make JavaScript Asynchronous in Wordpress
add_filter( 'script_loader_tag', function ( $tag, $handle ) {    
    if( is_admin() ) {
        return $tag;
    }
    return str_replace( ' src', ' async src', $tag );
}, 10, 2 );