have a java script element , which when printed, gives [object Object].
console.log(data)
When i tried to JSON.Stringify(data) -it gives a json value:
{"key":"value"}
How to extract the value from the above object ?
JSON.stringify creates a JSON string representation of that JS object. If you want to use it as a JSON, you'd have to parse it again:
let data = '{"key": "value"}';
let dataJSON = JSON.parse(data);
console.log(dataJSON.key);
Outputs: value
Related
How do i write an expression to obtain the value "lastUpdated" in the below json response data
{"resourceType":"Parameters","parameter":[{"name":"medication","resource":{"resourceType":"Bundle","id":"956ffe6a-08ed-4cb6-82ca-41065a4a9923","meta":{"lastUpdated":"2020-08-24T19:09:18.5649325+00:00",
I have tried this but it does not work:
regex("\"lastUpdated\": \"(.*?)\"").saveAs("lastUpdated")
this also does not work:
jsonPath("$..[?(#.use==\"lastUpdated\")].value").saveAs("lastUpdated"))
Your input is a little cut off but here is what I've got:
myJSONString = '{"resourceType":"Parameters","parameter":[{"name":"medication","resource":{"resourceType":"Bundle","id":"956ffe6a-08ed-4cb6-82ca-41065a4a9923","meta":{"lastUpdated":"2020-08-24T19:09:18.5649325+00:00"}}}]}'
myJSONObject = JSON.parse(myJSONString)
myLastUpdated = myJSONObject.parameter[0].resource.meta.lastUpdated
console.log(myLastUpdated)
Basically you convert it from a json object into a javascript object. Then you can just traverse down the tree to your intended target.
I'm trying to convert xml on a webpage to json.
I used axios to grab the information from the URL and then used npm xml.js to try to convert the data to json.
let axios = require("axios");
let convert = require("xml-js");
let mtaURL = "http://advisory.mtanyct.info/eedevwebsvc/allequipments.aspx";
axios.get(mtaURL)
.then(response => {
let results = convert.xml2json(response, {compact: false, spaces: 4})
console.log(results);
})
It came back with the following:
Error: Text data outside of root node.
Line: 0
Column: 59
Char: x
You're trying to parse the Axios response object as XML.
You need to read the body of the response and treat that as XML.
response.data
If I log the full data from an Angular client I get
object { type: "message", target: {_}, errorCode: undefiend,
errorMessage: undefined, data: "{\"data\":[\"124",\"611\"]}",
lastEventId: ""}
I want to grab the {\"data\":[\"124",\"611\"]} part to send it as json to a client. Using JSON.parse(data.data) though gives me
data: "{\"data\":[\"124",\"611\"]}", lastEventId: ""}
Is it possible to just grab the "{\"data\":[\"124",\"611\"]}" since otherwise the client has problems with the deserialization.
Let's say you have your initial string in myobject_string.
Then, you extract the JSON to a Javascript object with: const myobject = JSON.parse(myobject_string).
Then, the data you are looking for is in myobject.data.
Look here for more example code on JSON.parse.
i know there are multiple similar topics, however trying their solutions doesn't give me expected result.
Input json string
data:"{"message": "{\"type\":\"CONTROL\",\"command\":\"REQUEST_STATUS_ALL\"}"}"
object declaration/parse:
const msg: Message = <Message>JSON.parse(data.data);
output:
{message: "{"type":"CONTROL","command":"REQUEST_STATUS_ALL"}"}
-values are not properly assigned, but instead in a text form.
the same object looks like this if it's initialized manually(in TS):
Message {type: "CONTROL", status: undefined, command: "REQUEST_STATUS_ALL", body: undefined}
What is the correct way to parse that json string into the Message object?
Thank you!
It seems the value for message was improperly encoded as a string. Calling JSON.parse a second time on the message property will get the result you want, though you might want to fix the underlying cause of the improperly encoded data instead.
parseMessage(data: string) {
const msgTemp = JSON.parse(data);
msgTemp.message = JSON.parse(msgTemp.message);
return <Message>msgTemp;
}
const msg = parseMessage(data.data);
I have this on my console on firebug,
[Object { fa_id="1167535", f_id="1000", loc_type="6", more...}, Object { fa_id="1167535", f_id="1000", loc_type="6", more...}]
it is data from the server side. Now, how would I convert this into array such that this data can be used on another file. I tried JSON.parse and jQuery.parseJSON but both did not work.
That isn't JSON it's a Javascript array of objects, not a string. My guess is that you've received this from a jQuery ajax call and you had the dataType : 'json' set so that jQuery has automatically parsed the JSON into this array.
To send it to a PHP script you can convert it back to JSON using:
var myString = JSON.stringify(data);
and then fire off an ajax call to the PHP script with that as the POST data:
var myString = JSON.stringify(data);
$.post('page.php', { data : myString }, function(){
console.log( "sent" );
});
In PHP you can decode it using:
$data = json_decode($_POST['data']); // <-- or whatever your post variable is named
foreach($data as $obj)
{
echo $obj->fa_id;
}
if you want to get an php array use this
http://php.net/manual/en/function.json-decode.php
The string you provided is not valid JSON.
[Object { fa_id="1167535", f_id="1000", loc_type="6", more...},
Object { fa_id="1167535", f_id="1000", loc_type="6", more...}]
In particular, the "Object" and "more..." strings cannot be interpreted by a JSON parser.
Assuming the object you are inspecting is a variable named foo:
console.log(JSON.stringify(foo));
Should print a valid JSON representation of your object to the Javascript console.