nl_tokens: Sets the progress indicator .
pl_tokens: function updateProgress ( ) { var progressBar = document . querySelector ( '.progress-bar' ) ; if ( progressBar !== null ) { var numSlides = <mask> . getElementsByClassName ( 'slide' ) . length ; var position = currentPosition ( ) - 1 ; var percent = ( numSlides === 1 ) ? 100 : 100 * position / ( numSlides - 1 ) ; progressBar . style . width = percent . toString ( ) + '%' ; } }