Button click changes a paragraph's text using JavaScript DOM manipulation.
This is the original paragraph text.
Text input with Submit button that reads and displays the entered value.
Function calculateTotal(price, quantity) that computes and returns the product.
Button labeled "Show Message" that displays a greeting when clicked.
Toggle between "Status: Online" (green) and "Status: Offline" (gray) on click.
Status: Offline
Tasks 25, 33–39 — Similar form tasks merged: HTML structure + JS validation + Event listeners combined into complete demos
Task 25: HTML login form • Task 35: VTOP JS validation • Task 39: auto-focus on load — all merged into one complete login demo.
Task 26: HTML registration fields • Task 33: password confirm validation • Task 38: focus/blur/submit event listeners.
Task 23: external CSS responsive contact form • Task 27: HTML form with subject dropdown and textarea — combined.
Shopping checkout form with name and phone number JS validation (10-digit check).
Exam registration form with student name, email, and subject selection dropdown.
Hotel booking with room type (radio buttons) and amenities (checkboxes).
mouseover / mouseout event listeners on a product image reveal details on hover.
Hover over the product above
input event listeners for live email format check and password strength indicator.
Multiple modals (login, signup, confirmation) with z-index layering, and a product card with hover tooltip.
Image (position: relative) with caption div (position: absolute) using z-index.
Colorful positioned divs (z-index: 1-3) with fixed header (z-index: 999).
3 overlapping images (position: absolute, z-index: 1-3). Click to bring to front.