Append objects in loop

Question

I've chunks of data coming as response of each call and is retrieved as parameter of a function in below format. I need to append all the chunks of data into one.

function getJSONdata(jsondata){
//Below is where I need help
//cumilatedJSONdata = cumilatedJSONdata + jsondata
}

Below is the Format of the objects coming:

var jsondata = {"results":[
{"code":"1101696","name":"1101696","price":{"formattedValue":"36.00 
CAD"}},
{"code":"1101693","name":"1101693","price":{"formattedValue":"33.00 
CAD"}},
{"code":"1101699","name":"1101699","price":{"formattedValue":"39.00 
CAD"}}
]};

I want the cumilatedJSONdata structure should be something like

var cumilatedJSONdata = {"results":[
{"code":"1101696","name":"1101696","price":{"formattedValue":"36.00 
CAD"}},
{"code":"1101693","name":"1101693","price":{"formattedValue":"33.00 
CAD"}},
{"code":"1101699","name":"1101699","price":{"formattedValue":"39.00 
CAD"}},
{"code":"1101693","name":"1101693","price":{"formattedValue":"33.00 
CAD"}},
{"code":"1101699","name":"1101699","price":{"formattedValue":"39.00 
CAD"}},
{"code":"1101693","name":"1101693","price":{"formattedValue":"33.00 
CAD"}},
{"code":"1101699","name":"1101699","price":{"formattedValue":"39.00 
CAD"}}
]};

I tried something like this

var cumilatedJSONdata= {"results":[]}

function getJSONdata(jsondata){
var cumilatedJSONdata = $.extend(true,cumilatedJSONdata, jsondata
}
 );

This is not persisting previous data and getting replaced with new data.

Could anyone please help me on this.

var cumulatedData = ''; function getJSONdata(jsondata){ cumulatedData += jsondata; } — GrafiCode
– GrafiCode, Commented Jun 4, 2019 at 11:04
You are dealing with regular JavaScript objects, not JSON. The JSON format is for serialised data and it's text. Since you have actual objects and arrays, you can simply combine the arrays. — VLAZ
– VLAZ, Commented Jun 4, 2019 at 11:04
Possible duplicate of stackoverflow.com/questions/5080028/… — www.admiraalit.nl
– www.admiraalit.nl, Commented Jun 4, 2019 at 11:06
Possible duplicate of stackoverflow.com/questions/1374126/… — www.admiraalit.nl
– www.admiraalit.nl, Commented Jun 4, 2019 at 11:08
I'm not exactly able to correlate those solutions here @www.admiraalit.nl — LNP
– LNP, Commented Jun 4, 2019 at 12:03

Naga Raj · Accepted Answer · 2019-06-04 11:05:57Z

1

You can try using the concat method of javascript

cumilatedJSONdata.results = cumilatedJSONdata.results.concat(jsondata.results);

answered Jun 4, 2019 at 11:05

Naga Raj

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4 Comments

LNP Over a year ago

This is giving as cumilatedJSONdata is not defined ReferenceError: cumilatedJSONdata is not defined

Naga Raj Over a year ago

Try running this: var cumilatedJSONdata = {"results":[]}; var jsondata = {"results":[ {"code":"1101696","name":"1101696","price":{"formattedValue":"36.00 CAD"}}, {"code":"1101693","name":"1101693","price":{"formattedValue":"33.00 CAD"}}, {"code":"1101699","name":"1101699","price":{"formattedValue":"39.00 CAD"}} ]}; cumilatedJSONdata.results = cumilatedJSONdata.results.concat(jsondata.results);

Naga Raj Over a year ago

Are you getting the jsondata from a request?

LNP Over a year ago

Thank you there was an issue with the scope and now its resolved

TKoL · Accepted Answer · 2019-06-04 11:04:45Z

1

let results = [];

// do your async loop / promise loop here
while (needToGetResults) {
    let newResponse = await asyncRequest();
    results = results.concat(newResponse.results);
}

return results;

alternatively,

return {results:results}

answered Jun 4, 2019 at 11:04

TKoL

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