nl_tokens: * @method last ( [ num ] = 1 ) @returns Mixed @short Returns the last element ( s ) in the array . @extra When <num > is passed returns the last <num > elements in the array . @example
pl_tokens: function ( num ) { if ( isUndefined ( num ) ) return this [ this . length - 1 ] ; var start = this . length - num < 0 ? 0 : this . length - num ; return this . slice ( <mask> ) ; }