function toUpperCase(jsonObj) {
if(typeof(jsonObj)=='object'){
for (var key in jsonObj){
jsonObj[key.substring(0,1).toUpperCase()+key.substring(1)] = jsonObj[key];
delete(jsonObj[key]);
}
return jsonObj;
}
return data;
}var res;
var _data = {"myKey":"myValue"};
res = toUpperCase(_data);
console.log(res);//{MyKey: "myValue"}console.log(JSON.stringify(res));//{"MyKey":"myValue"}