nl_tokens: Iterates an array or an iterable value and invoke the given callback function for each item .
pl_tokens: function ( array , fn , <mask> , reverse ) { array = ExtArray . from ( array ) ; var i , ln = array . length ; if ( reverse !== true ) { for ( i = 0 ; i < ln ; i ++ ) { if ( fn . call ( scope || array [ i ] , array [ i ] , i , array ) === false ) { return i ; } } } else { for ( i = ln - 1 ; i > - 1 ; i -- ) { if ( fn . call ( scope || array [ i ] , array [ i ] , i , array ) === false ) { return i ; } } } return true ; }