public function generate_javascript_markup() {

        $svg = $this->assemble_grunticon_asset_path( $this->svg_filename );
        $png = $this->assemble_grunticon_asset_path( $this->png_filename );
        $fallback = $this->assemble_grunticon_asset_path( $this->fallback_filename );

        return 'grunticon(["' . $svg . '", "' . $png . '", "' . $fallback . '"]);';

    }