Coding Exercises
0/8Write code, click Run, watch it execute in the live iframe. Click 'Show solution' only when stuck.
A — Simple page
Task: Write an HTML page with title "My Page", a heading "Welcome", and a paragraph "This is my first page."
B — Form
Task: Write a form with name (text), email, age (number), and a submit button.
C — Bootstrap 3-card row
Task: Display 3 cards in a row using Bootstrap, each with an image and a title.
D — JS: greet button
Task: When a button is clicked, read text from input #name and show 'Hello <name>' in div #output.
E — JS: sum an array
Task: Write a function sum(arr) that returns the total. Call it on [1,2,3,4,5] and show in <pre id='out'>.
F — fetch GET and display
Task: Fetch JSON from restcountries and display each name in <ul id='list'>.
G — fetch POST
Task: On button click, POST {title, author} from two inputs to a Firebase URL.
H — Full mini-app (Lab Work 3 style)
Task: Inputs for project title, members, image URL. On Save: POST to Firebase. On load: GET and show all as Bootstrap cards.