All current browsers have native JSON support built in. So as long as you're not dealing with prehistoric browsers like IE6/7 you can do it just as easily as that:

var j = {
  "name": "binchen"
};
console.log(JSON.stringify(j));

Answer from Andris on Stack Overflow
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W3Schools
w3schools.com › js › js_json_stringify.asp
JSON.stringify()
The result will be a string following the JSON notation. myJSON is now a string, and ready to be sent to a server:
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MDN Web Docs
developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › JSON › stringify
JSON.stringify() - JavaScript | MDN
The JSON.stringify() static method converts a JavaScript value to a JSON string, optionally replacing values if a replacer function is specified or optionally including only the specified properties if a replacer array is specified.
Discussions

Convert JS object to JSON string
JS had done the job already for us 2020-06-16T19:51:42.757Z+00:00 ... I was having issues with stringify running out of memory and other solutions didnt seem to work (at least I couldn't get them to work) which is when I stumbled on this thread. Thanks to Rohit Kumar I just iterate through my very large JSON ... More on stackoverflow.com
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Converting a string to JSON object
How do you make JS think that a string is JSON ? I have a function which only works if JSON object is passed to it. If I pass a string to it, with same format as JSON, it doesn't work. So I want t... More on stackoverflow.com
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In Node.js, how do I turn a string to a json?
For example, a HTTP REST API just returned me a JSON, but of course it's a string right now. How can I turn it into a JSON? More on stackoverflow.com
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Converting string to json object in function node
This is mostly due to my lack of knowledge in JS and NodeJS. I have an “Execute Command” node that returns json in stdout; and I am trying to access it in another node to set a custom message if one of the properties is true. So I am trying the following but it seems it only outputs the ... More on community.n8n.io
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November 2, 2019
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MDN Web Docs
developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › JSON › parse
JSON.parse() - JavaScript | MDN
The JSON.parse() static method parses a JSON string, constructing the JavaScript value or object described by the string. An optional reviver function can be provided to perform a transformation on the resulting object before it is returned.
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GeeksforGeeks
geeksforgeeks.org › javascript › how-to-convert-json-to-string-in-javascript
How to Convert JSON to string in JavaScript ? - GeeksforGeeks
July 23, 2025 - In this approach, we use JSON.stringify() with a custom replacer function in JavaScript to transform or omit specific values while converting JSON data to a string representation.
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JSON Formatter
jsonformatter.org › json-stringify-online
JSON Stringify Online using JSON.Stringify()
Ad blocking? It's okay. Please share to support us: ... JSON Stringify Online helps convert string value to JSON String using JSON.Stringify().
Find elsewhere
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W3Schools
w3schools.com › js › js_json_parse.asp
JSON.parse()
Date objects are not allowed in JSON. If you need to include a date, write it as a string.
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GeeksforGeeks
geeksforgeeks.org › javascript › how-to-convert-string-to-json-in-javascript
How to Convert String to JSON in JavaScript? - GeeksforGeeks
August 5, 2025 - In this approach, we are using JSON.parse() in JavaScript to convert a JSON-formatted string (str) into a JavaScript object (res).
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JavaScript.info
javascript.info › tutorial › the javascript language › data types
JSON methods, toJSON
January 24, 2024 - Array of properties to encode or a mapping function function(key, value). ... Most of the time, JSON.stringify is used with the first argument only.
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Pluralsight
pluralsight.com › tech insights & how-to guides › tech guides & tutorials
Convert Strings to JSON Objects in JavaScript with eval() | Pluralsight
March 31, 2025 - String data can be easily converted to JSON using the stringify() function, and also it can be done using eval(), which accepts the JavaScript expression that you will learn about in this guide.
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n8n
community.n8n.io › questions
Converting string to json object in function node - Questions - n8n Community
November 2, 2019 - This is mostly due to my lack of knowledge in JS and NodeJS. I have an “Execute Command” node that returns json in stdout; and I am trying to access it in another node to set a custom message if one of the properties is true. So I am trying the following but it seems it only outputs the exact same data it received: const input = $node["DL from Telegram"].data["stdout"]; const result = JSONparse(input) return result;
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JSONLint
jsonlint.com
JSONLint - The JSON Validator
Maintained by CircleCell. Thanks to Douglas Crockford of JSON and JS Lint, and Zach Carter, who built a pure JavaScript implementation. You can download the JSONLint source code on GitHub. XML to JSON · JSON Stringify · JSON Diff · JSON Schema Validator ·
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Reddit
reddit.com › r/learnprogramming › converting a string to json javascript
r/learnprogramming on Reddit: Converting a string to JSON javascript
March 2, 2019 -

I know this is simple with `JSON.parse()` but that will not seem to work in my case. I think the issue is that `JSON.parse()` works only when the object is in the format of `{"key": "value"}` not in a `{key: "value"}` like I have. Below is a copy of the string that needs to be converted to JSON along with the error message.

{ ignoreSSLError: false,

username: null,

_id: 5c7abe63087bd40ff8439fec,

createdAt: 2019-03-02T17:33:23.312Z,

__v: 0 }

SyntaxError: Unexpected token i in JSON at position 2

Suggestions on how I can fix this? Changing the initial string is not an option. That is how it gets pulled fro AWS SQS, I wish it was that easy.

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Make Community
community.make.com › questions
Issues Parsing JSON String and Returning JSON Object in Custom JS Module - Questions - Make Community
November 4, 2024 - Hi I’m having several problems I’m basically trying to parse a long string value that I believe is formatted as a json which isn’t working and then return a json object using a custom js module. Before I continue its worth mentioning I’m not familiar with Json and being assisted by ...
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freeCodeCamp
freecodecamp.org › news › json-stringify-example-how-to-parse-a-json-object-with-javascript
JSON Stringify Example – How to Parse a JSON Object with JS
January 5, 2021 - Finally, if you're parsing JSON with Node.js, there's a good chance that you'll need to return JSON at some point, maybe as an API response. Luckily, this works the same way as in the browser – just use JSON.stringify() to convert JavaScript object literals or arrays into a JSON string:
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W3Schools
w3schools.com › js › js_json.asp
W3Schools.com
The JSON format is syntactically identical to the code for creating JavaScript objects. Because of this, a JavaScript program can easily convert JSON data into native JavaScript objects. JavaScript has a built in function for converting JSON strings into JavaScript objects:
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DigitalOcean
digitalocean.com › community › tutorials › js-json-parse-stringify
How To Use JSON.parse() and JSON.stringify() | DigitalOcean
November 24, 2021 - The values have been transformed to uppercase characters. JSON.stringify() takes a JavaScript object and transforms it into a JSON string.