using JSON server

 ** json server

npm install -g json-server

Step 2: Create a db.json file with some data

{

 “posts”: [

 { “id”: 1, “title”: “learn json-server”, “author”: “Mrinmay Mukherjee” }

 ],

 “comments”: [

 { “id”: 1, “body”: “it's pretty awesome”, “postId”: 1 }

 ],

 “profile”: { “name”: “Mrinmay Mukherjee” }

}

Step 3: Start JSON Server

json-server --watch db.json --port 8000

Examples of GET and POST:

1.GET

fetch(‘http://localhost:8000/posts/')

 .then(response => response.json())

 .catch(error => console.error('Error:', error))

 .then(response => console.log('Success:', JSON.stringify(response)));

2. POST

let data = { 

  “id”: 10, 

  “title”: “json-server is not bad. It's great!”, 

  “author”: “Dwight Shrute” 

}

 fetch(‘http://localhost:3000/posts/', {

 method: “POST”,

 headers: {

 “Content-Type”: “application/json”,

 },

 body: JSON.stringify(data),

 })

 .then(response => response.json())

 .catch(error => console.error(‘Error:’, error))

 .then(response => console.log(‘Success:’, JSON.stringify(response)));