Create an Example Solution for an Interactive Calendar

[sumn2u]

📝 Description

We need a simple interactive calendar that displays the days of a selected month and year.
The goal is to help beginners practice date manipulation, DOM updates, and dynamic UI rendering in JavaScript.

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🎯 Requirements

• Display all days of the chosen month and year
• Highlight the current date
• Allow users to navigate between months and years
• Implement a responsive design for different screen sizes

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💡 Concepts to Demonstrate

• Date and time manipulation using the JavaScript Date object
• DOM manipulation to dynamically render the calendar grid
• Event handling for navigation buttons (next/previous month, year)
• Efficient dynamic rendering of calendar days

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🚀 Bonus Challenge

• Add the ability to mark important dates or events
• Display a small event tooltip or modal when clicking on a date

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📦 Deliverables

• A working example using HTML, CSS, and JavaScript
• Include a short README or inline comments explaining how the calendar works
• Submit your solution as:
  • A pull request in the examples/ folder, or
  • A CodePen, JSFiddle, or GitHub Gist link

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[divyam-r25]

Hii @sumn2u ,I would like to work on this issue.Can you please assign me

[divyam-r25]

Hii @sumn2u, I have made a responsive calendar webapp as requested in issue #321

Description

This PR adds a complete Interactive Calendar example solution for issue #321. The application demonstrates fundamental JavaScript concepts including date manipulation, DOM updates, and dynamic UI rendering in an engaging, practical way.

Features Implemented

Dynamic Calendar Display: Shows all days of the selected month and year with proper date calculations
Current Date Highlighting: Today's date is visually distinguished with special styling
Month/Year Navigation: Intuitive arrow buttons for browsing through time periods
Quick Navigation Controls: Dropdown for months and input field for direct year selection
Responsive Design: Adapts beautifully to different screen sizes (mobile, tablet, desktop)
Event Management System: Add, view, and remove events for specific dates (bonus feature)
Interactive Tooltips: Hover over dates with events to see quick previews
Modal Interface: Detailed event management with add/remove functionality
Today Button: Quick navigation back to current date
Sample Events: Pre-loaded events for immediate demonstration

Technical Implementation

HTML: Semantic structure with accessibility considerations
CSS: Modern responsive design with gradients, animations, and mobile-first approach
JavaScript:Clean, well-commented code featuring:
Date object manipulation and calculations
Dynamic DOM element creation and management
Event-driven programming patterns
State management for calendar and events
Efficient rendering algorithms
Concepts Demonstrated
Date and Time Manipulation: Using JavaScript's Date object for calculations and formatting
DOM Manipulation: Creating, updating, and removing elements dynamically
Event Handling: Managing user interactions (clicks, hovers, form submissions)
Dynamic Rendering: Efficiently updating the calendar grid based on state changes
Responsive Web Design: CSS media queries and flexible layouts
Data Structures: Object-based storage for events with date string keys

Screenshot

Testing

• Tested on Chrome, Firefox, microsoft edge and brave
• Verified responsiveness on different screen sizes
• All features working as expected

preview - https://divyam-r25.github.io/Calender/