WordPress - Enqueue scripts conditional IE

wp_conditional__enqueue_js.php

// WP 4.2+
wp_enqueue_script( 'html5shiv', '//cdn.jsdelivr.net/html5shiv/3.7.2/html5shiv.js' );
wp_script_add_data( 'html5shiv', 'conditional', 'lt IE 9' );

wp_enqueue_script( 'respond', get_template_directory_uri() . '/js/respond.min.js' );
wp_script_add_data( 'respond', 'conditional', 'lt IE 9' );

// WP 4.1
wp_enqueue_script( 'html5shiv', '//cdn.jsdelivr.net/html5shiv/3.7.2/html5shiv.js', array(), '3.7.2', false );
add_filter( 'script_loader_tag', function( $tag, $handle ) {
    if ( $handle === 'html5shiv' ) {
        $tag = "<!--[if lt IE 9]>$tag<![endif]-->";
    }
    return $tag;
}, 10, 2 );