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I have a string that looks like the one below – this is straight from the DB:
"{\"object\":\"value\",\"document\":{\"object\":\"document\",\"data\":{},\"nodes\":[{\"object\":\"block\",\"type\":\"paragraph\",\"data\":{},\"nodes\":[{\"object\":\"text\",\"leaves\":[{\"object\":\"leaf\",\"text\":\"here is some text\",\"marks\":[]}]}]}]}}"
This is the first time I see something like this. I can surely JSON.parse it but this leaves me with an object.
Is it a common thing to see somthing like this?
Is there a library for rendering this to HTML or do I have to write my own method to do this?
If the json structure is fixed, you can do something like this:
const json = JSON.parse("{\"object\":\"value\",\"document\":{\"object\":\"document\",\"data\":{},\"nodes\":[{\"object\":\"block\",\"type\":\"paragraph\",\"data\":{},\"nodes\":[{\"object\":\"text\",\"leaves\":[{\"object\":\"leaf\",\"text\":\"here is some text\",\"marks\":[]}]}]}]}}");
const leaves = [];
json.document.nodes.forEach(
n => n.nodes.forEach(
node => node.leaves.forEach(
leaf => leaves.push(leaf.text)
)
)
);
console.log(leaves);
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I have been searching for the correct regex for converting this string to JSON. It works if there is a single object in the array, but I believe the comma is messing it up somehow.
const json = "{\"userId\":44, \"userName\": \"Jim Coleman\"},{\"userId\":33515, \"userName\": \"Grace Mamaradlo\"}";
const obj = JSON.parse(json.replace(/("[^"]*"\s*:\s*)(\d{17,})/g, '$1"$2"'));
console.log(obj);
There was nothing wrong except that the list of objects was not contained within square brackets
const json = "{\"userId\":44, \"userName\": \"Jim Coleman\"},{\"userId\":33515, \"userName\": \"Grace Mamaradlo\"}";
console.log(JSON.parse(`[${json}]`))
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I want to remove First and Last Quotes from this array Using JavaScript:
"["Morning Shift","Day Shift"]"
After Remove quotes output look like this
["Morning Shift","Day Shift"]
You can try using JSON.parse():
The JSON.parse() method parses a JSON string, constructing the JavaScript value or object described by the string.
Demo:
var data = `["Morning Shift","Day Shift"]`;
data = JSON.parse(data);
console.log(data);
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Convert
var a = [['12ae11ee12-1bhb222','2019-10-10T19:46.19.632z','a123']]
to
var a= ['12ae11ee12-1bhb222','2019-10-10T19:46.19.632z','a123']
I dont want two square brackets in front and end.
I want output
a[2] = 'a123'
The best way to do is just assigning the first value to the array:
var a = [['12ae11ee12-1bhb222','2019-10-10T19:46.19.632z','a123']];
a = a[0];
console.log(a);
But the right way of dealing it should be making sure that the endpoint or whatever that outputs should output correctly.
You can use Array.prototype.flat().
console.log([['12ae11ee12-1bhb222','2019-10-10T19:46.19.632z','a123']].flat());
This solution works if it's extremely nested too:
console.log([
['12ae11ee12-1bhb222'],
['2019-10-10T19:46.19.632z', 'a123']
].flat());
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I have a string where I build my build my "json-like" format, like
_toBeFormated =
[
{"foor":"bar","foo":"bar","foo":["bar,bar"]},
{"foor":"bar","foo":"bar","foo":["bar,bar"]},
{"foor":"bar","foo":"bar","foo":["bar,bar"]}
]
But after calling JSON.parse like _afterFormat = JSON.parse(_toBeFormated), my structure looks like the following:
_afterFormat =
0:{"foor":"bar","foo":"bar","foo":["bar,bar"]},
1:{"foor":"bar","foo":"bar","foo":["bar,bar"]},
2:{"foor":"bar","foo":"bar","foo":["bar,bar"]}
If I try to change to JSON Format at the beginning, like leaving out [ ], if failes to parse, also it looks like valid JSON to me. What am I missing, or why does it add the numbers at the beginning?
It doesn't add numbers. The data structure is an array. The tool you are using to look at the array is showing the index of each entry.
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I am integrating jqbarGraph, the demo worked fine. I want to make the values dynamic.
this is my json response
{"success":false,"message":{"12":7887,"11":159}}
I need an array like this
graphByMonth = new Array(
[7887,12],
[159,11]
);
Need to create dynamic array from JSON data.
Does this work?
var graphByMonth = [],
jsonResponse = {"success":false,"message":{"12":7887,"11":159}},
data = jsonResponse.message;
Object.keys(data).forEach(function (k, i ) {
graphByMonth.push([data[k],+k]);
});
console.log(graphByMonth);