I would like to convert this string
{"id":1,"name":"Test1"},{"id":2,"name":"Test2"}
to array of 2 JSON objects. How should I do it?
best
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3If you get this as a JSON string, then it is not valid JSON anyway... where do you get it from? Could you post a more complete code example?– Felix KlingCommented Dec 7, 2010 at 10:22
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6 Answers
Using jQuery:
var str = '{"id":1,"name":"Test1"},{"id":2,"name":"Test2"}';
var jsonObj = $.parseJSON('[' + str + ']');
jsonObj is your JSON object.
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5@Parapluie
JSON.parsehas been part of the "standard built-in" objects for several years now.– Marc L.Commented Oct 5, 2020 at 21:30
As simple as that.
var str = '{"id":1,"name":"Test1"},{"id":2,"name":"Test2"}';
dataObj = JSON.parse(str);
answered Mar 10, 2014 at 12:42
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2As the comment on the original question states, the string as given is not valid JSON. Commented Mar 10, 2014 at 12:44
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In some cases (like mine) you might find a trailing comma at the end of the string causes some issues. This method will still work - you just need to remove that last comma using regex first: str = str.replace(/,\s*$/, ""); Commented Mar 24, 2022 at 11:42
As Luca indicated, add extra [] to your string and use the code below:
var myObject = eval('(' + myJSONtext + ')');
to test it you can use the snippet below.
var s =" [{'id':1,'name':'Test1'},{'id':2,'name':'Test2'}]";
var myObject = eval('(' + s + ')');
for (i in myObject)
{
alert(myObject[i]["name"]);
}
hope it helps..
answered Dec 7, 2010 at 10:35
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2“eval is Evil: The eval function is the most misused feature of JavaScript. Avoid it” - Douglas Crockford in "Javascript: The Good Parts" Eval is not recommended due to how dangerous it can be. It's better to use JSON.parse() instead. Commented Mar 2, 2020 at 18:48
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Thanks a ton after lots of research I ended up with eval function!! which transformed my stringed JSON to actual array type JSON data– DipeshCommented Feb 24, 2021 at 5:19
Append extra an [ and ] to the beginning and end of the string. This will make it an array. Then use eval() or some safe JSON serializer to serialize the string and make it a real JavaScript datatype.
You should use https://github.com/douglascrockford/JSON-js instead of eval(). eval is only if you're doing some quick debugging/testing.
answered Dec 7, 2010 at 10:20
If your using jQuery, it's parseJSON function can be used and is preferable to JavaScript's native eval() function.
answered Dec 7, 2010 at 10:31
I know a lot of people are saying use eval. the eval() js function will call the compiler, and that can offer a series of security risks. It is best to avoid its usage where possible. The parse function offers a more secure alternative.
