nl_tokens: Encodes data using base64 algorithm
pl_tokens: function ( input ) { var output = [ ] ; var chr1 , chr2 , chr3 , enc1 , enc2 , enc3 , enc4 , cdp1 , cdp2 , cdp3 ; var i = 0 , il = input . length , b64 = chars ; while ( i < il ) { cdp1 = input . charCodeAt ( i ++ ) ; cdp2 = input . charCodeAt ( i ++ ) ; cdp3 = input . charCodeAt ( i ++ ) ; chr1 = cdp1 & 0xff ; chr2 = cdp2 & 0xff ; chr3 = cdp3 & 0xff ; enc1 = chr1 >> 2 ; enc2 = ( ( chr1 & 3 ) << 4 ) | ( chr2 >> 4 ) ; enc3 = ( ( chr2 & 15 ) << 2 ) | ( chr3 >> 6 ) ; enc4 = chr3 & 63 ; if ( isNaN ( cdp2 ) ) { enc3 = enc4 = 64 ; } else if ( isNaN ( cdp3 ) ) { enc4 = 64 ; } output . <mask> ( b64 . charAt ( enc1 ) + b64 . charAt ( enc2 ) + b64 . charAt ( enc3 ) + b64 . charAt ( enc4 ) ) ; } return output . join ( '' ) ; }