escape json in javascript

1var myJSONString = JSON.stringify(myJSON);
2var myEscapedJSONString = myJSONString.replace(/\\n/g, "\\n")
3                                      .replace(/\\'/g, "\\'")
4                                      .replace(/\\"/g, '\\"')
5                                      .replace(/\\&/g, "\\&")
6                                      .replace(/\\r/g, "\\r")
7                                      .replace(/\\t/g, "\\t")
8                                      .replace(/\\b/g, "\\b")
9                                      .replace(/\\f/g, "\\f");
10// myEscapedJSONString is now ready to be POST'ed to the server. 
11

1JSON.parse(JSON.stringify(jsonObject));