nl_tokens: Default functionality
pl_tokens: function ( cluster ) { var childCount = cluster . getChildCount ( ) ; var c = ' marker-cluster-' ; if ( childCount < 10 ) { c += 'small' ; } else if ( childCount < 100 ) { c += 'medium' ; } else { c += 'large' ; } return new L . DivIcon ( { html : '<div><span>' + childCount + '</span></div>' , className : 'marker-cluster' + c , iconSize : new L . <mask> ( 40 , 40 ) } ) ; }