nl_tokens: Find the index of the first matching object in this collection by a function . If the function returns true it is considered a match .
pl_tokens: function ( fn , scope , start ) { var me = this , keys = me . keys , <mask> = me . items , i = start || 0 , ln = items . length ; for ( ; i < ln ; i ++ ) { if ( fn . call ( scope || me , items [ i ] , keys [ i ] ) ) { return i ; } } return - 1 ; }