RI
Rishabh-Verma-thc/javascript-calculator
Web-based calculator app with keyboard support - built with HTML, CSS, and JavaScript
Calculator (Vanilla JS)
A simple, clean-looking calculator built with HTML, CSS, and JavaScript.
Supports basic arithmetic operations, keyboard input, and visual feedback for button presses.
🔗 Live Demo
You can view the live version here.
🧠 Features
- Addition, Subtraction, Multiplication, Division
- Decimal support
- Clear (
C) and Backspace functionality - Full keyboard support
- Visual button glow on keyboard press
- Responsive, styled interface with hover and active states
⌨️ Keyboard Controls
| Key | Action |
|---|---|
| 0-9 | Enter numbers |
+ - * / |
Operations |
. |
Decimal point |
Enter or = |
Equals / Calculate |
Backspace |
Delete last digit |
C |
Clear everything |
🚀 How to Run Locally
-
Clone the repository:
git clone https://github.com/your-username/calculator
-
Navigate to project directory:
cd javascript-calculator -
Open index.html in your web browser to view the website.