parse escaped string console.log code example

Example: escaped json to json javascript

twice_json = '"{\\"orderId\\":\\"123\\"}"'  // (ingore the extra slashes)
json = JSON.parse(twice_json)               // => '{"orderId":"123"}'
obj = JSON.parse(json)                      // => {orderId: "123"}
obj.orderId                                 // => "123"