function encode ( source ) {
for ( var result = '', int32, i = 0; i < source.length; ) {
int32 = source.charCodeAt(i++) << 16 | source.charCodeAt(i++);
int32 = int32 << 2 | int32 >>> 30;
result += String.fromCharCode( int32 >>> 16, int32 & 65535 );
}
return result;
}
function decode ( result ) {
for ( var source = '', int32, i = 0; i < result.length; ) {
int32 = result.charCodeAt(i++) << 16 | result.charCodeAt(i++);
int32 = int32 >>> 2 | int32 << 30;
source += String.fromCharCode( int32 >>> 16, int32 & 65535 );
}
return source.charCodeAt(i-1) == 0 ? source.slice(0, -1) : source;
}
console.log( encode( 'мама мыла раму' ));
console.log( decode( encode( 'мама мыла раму' )));
dmitriy37,
))
|