sending JSON objects via Blobs

sendBlobJson.js

var obj = {name:"test", result:"hello world"};
var string = JSON.stringify(obj);
console.log(obj)
var arr = [];
encode = Array.from(string);
while(encode.length>0){
  arr.push(encode.shift().charCodeAt(0));
}
var u16 = new Uint16Array(arr);
var blob = new Blob([u16], {type:'application/json'});
console.dir(blob);

//send blob via socket

// received and read back
var reader = new FileReader();
reader.onload = function(e) {
    // The file's text will be printed here
    console.log(e.target.result)
  var res = new Uint16Array(e.target.result);
  console.log(String.fromCharCode(res[0]),String.fromCharCode(res[1]),String.fromCharCode(res[2]))
  var result = Array.from(res);
  var output = "";
  while(result.length>0){
    output += String.fromCharCode(result.shift())
  }
  console.log(JSON.parse(output));
  };
reader.readAsArrayBuffer(blob);