Factorial Calculator

• This project is a factorial calculator built using HTML, CSS, and JavaScript. It calculates the factorial of a non-negative integer entered by the user.

Features

• Calculates factorials of non-negative integers.
• Validates user input to ensure it's a non-negative integer.
• Provides informative error messages for invalid input.

Getting Started

• Clone the repository: git clone https://github.com/CODING-ALPHA/Factorial-Calculator .
• Open the index.html file in a web browser.

Usage

• Enter a non-negative integer in the input field.
• Click the "Calculate" button.
• If the input is valid, the calculated factorial will be displayed below the input field.
• If the input is invalid, an error message will be displayed below the input field.

Code Structure

• index.html: The main HTML file containing the user interface and embedding JavaScript code.
• style.css: The CSS file that styles the calculator's appearance.
• script.js: The JavaScript file containing the logic for calculating factorials and validating user input.

Technologies Used

• HTML: Hypertext Markup Language, used for creating the structure and content of the web page.
• CSS: Cascading Style Sheets, used for styling the appearance of the web page.
• JavaScript: A scripting language used to add interactivity and functionality to the web page.

Error Handling

• The calculator validates user input to ensure it's a non-negative integer. If the input is invalid, an error message will be displayed.