JSON 
{
  "student": {
    "name": "Rumaisa Mahoney",
    "age": 30,
    "fullTime": true,
    "languages": ["JavaScript", "HTML", "CSS"],
    "GPA": 3.9,
    "favoriteSubjects": {"math" : "A", "chemistry" : "C"}  
  }
}

JSON is used to send information, mostly from backend sources to frontend. Syntax includes, { } which holds objects, property names must be in double quotes "", data is seperated by commas, and [ ] holds arrays.

JSON JS
JSON.parse() 
const jsonStr = '{"bool":true, "num":42}';
const obj = JSON.parse(jsonStr);

console.log(obj.num); // 42
console.log(obj.bool); // true

Turns a JSON string into a JavaScript oject.

JSON JS
JSON.stringify() 
const jsObject = { 
book: 'JSON Primer', 
price: 29.99, 
inStock: true, 
rating: null
}; 

const jsonData = JSON.stringify(jsObject);
console.log(jsonData);

Output:
"{
  'book':'JSON Primer',
  'price':29.99,
  'inStock':true,
  'rating':null
}"

Converts a JavaScript value into a JSON string.

JSON JS