# Exercise 0.5

```mermaid
sequenceDiagram
    participant browser
    participant server

    browser->>server: HTTP GET https://studies.cs.helsinki.fi/exampleapp/spa
    activate server
    server-->>browser: HTML-code
    deactivate server

    browser->>server: HTTP GET https://studies.cs.helsinki.fi/exampleapp/main.css
    activate server
    server-->>browser: main.css
    deactivate server

    browser->>server: HTTP GET https://studies.cs.helsinki.fi/exampleapp/spa.js
    activate server
    server-->>browser: spa.js
    deactivate server

    Note right of browser: The browser starts executing the JavaScript code that fetches the JSON from the server

    browser->>server: HTTP GET https://studies.cs.helsinki.fi/exampleapp/data.json
    activate server
    server-->>browser: [{"content":"","date":"2023-03-13T01:16:01.627Z"}, ... ]
    deactivate server

    Note right of browser: The browser executes the callback function that renders the notes

```