JSON.stringify without quotes on properties?

https://stackoverflow.com/questions/11233498/json-stringify-without-quotes-on-properties/11233515

var json = '{ "name": "J\":ohn Smith" }'
json.replace(/\"/g,"uFFFF"); //U+ FFFF
json = json.replace(/"([^"]+)":/g,"$1:").replace(/uFFFF/g,"\"");
//'{ name: "J":ohn Smith" }'