buffer-weirdness.js

buffer-weirdness.js

const myString = "hello \u2639 more here";


console.log(myString);

var bufferA = new Buffer(myString, 'binary');
var bufferB = new Buffer(myString, 'utf8');
var bufferC = new Buffer(myString);


console.log(`bufferA length: ${bufferA.length} : "${bufferA}"`);
console.log(`bufferB length: ${bufferB.length} : "${bufferB}"`);
console.log(`bufferC length: ${bufferC.length} : "${bufferC}"`);

console.log('bufferA json', JSON.stringify(bufferA));
console.log('bufferB json', JSON.stringify(bufferB));
console.log('bufferC json', JSON.stringify(bufferC));

OUTPUT

# LOL, gist doesnt like utf8 chars :D
hello ☹ more here
bufferA length: 17 : "hello 9 more here"
bufferB length: 19 : "hello ☹ more here"
bufferC length: 19 : "hello ☹ more here"
bufferA json {"type":"Buffer","data":[104,101,108,108,111,32,57,32,109,111,114,101,32,104,101,114,101]}
bufferB json {"type":"Buffer","data":[104,101,108,108,111,32,226,152,185,32,109,111,114,101,32,104,101,114,101]}
bufferC json {"type":"Buffer","data":[104,101,108,108,111,32,226,152,185,32,109,111,114,101,32,104,101,114,101]}