adsk-forge-LevelSectionPanel-step6

createSelectOptions( data, selector ) {
    if( !data || !selector || !(selector instanceof HTMLSelectElement) )
        return;

    for( let i=0; i < data.length; ++i ) {
        const level = data[i];

        const option = document.createElement( 'option' );
        option.value = i;
        option.text = level.name; selector.add( option );
    }
}