JavaScript Function Complete Reference

JavaScript JSON Complete Reference

Last Updated : 26 Dec, 2024

JavaScript JSON (JavaScript Object Notation) is a lightweight format for storing and exchanging data. It is easy to read, write, and parse. JSON is based on key-value pairs and arrays.

JavaScript

let data = '{"name":"Raj","age":25}';
let obj = JSON.parse(data); // Convert JSON string to object
console.log(obj.name);

Output

Raj

The complete list of JavaScript JSON methods are listed below:

JavaScript JSON Methods

Method	Description
parse()	JSON format and return a JavaScript object.
stringify()	It creates a JSON string out of it.

JSON Properties in JavaScript

Methods	Description
object.keys()	Returns an array of keys from a JSON object.
object.values()	Returns an array of values from a JSON object.
object.entries()	Returns an array of key-value pairs from a JSON object.

JSON Operations

Operation	Description
Parsing JSON	Convert JSON string to JavaScript object.
Stringifying JSON	Convert JavaScript object/array into JSON string.
JSON Validation	Check if a string is a valid JSON using try-catch block.
Converting to JSON	Convert JavaScript objects, arrays, or values to JSON strings.
Error Handling	Handle errors gracefully when working with JSON (e.g., invalid format).
Formatting JSON	Format JSON output for better readability.

JavaScript Function Complete Reference

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