JSON.stringify(value, replacer, space)

• Converts a JavaScript object into a JSON string
  • value: The object or value to convert
  • replacer (optional): A function or array to filter properties
  • space (optional): Indentation level for formatting

const obj = { name: "Alice", age: 25 };
console.log(JSON.stringify(obj)); 
// '{"name":"Alice","age":25}'

JSON.parse(jsonString, reviver)

• Converts a JSON string into a JavaScript object
  • jsonString: The string to parse.
  • reviver (optional): A function to transform the result.

const jsonString = '{"name":"Alice","age":25}';
const obj = JSON.parse(jsonString);
console.log(obj.name); // "Alice"