https://github.com/codesuab/verifyjs
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https://github.com/codesuab/verifyjs
captcah security security-tools to-factor website-security
Last synced: about 5 hours ago
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- Host: GitHub
- URL: https://github.com/codesuab/verifyjs
- Owner: codesuab
- License: mit
- Created: 2025-03-02T09:09:12.000Z (over 1 year ago)
- Default Branch: main
- Last Pushed: 2026-05-23T19:55:29.000Z (about 1 month ago)
- Last Synced: 2026-05-23T21:20:50.806Z (about 1 month ago)
- Topics: captcah, security, security-tools, to-factor, website-security
- Language: HTML
- Homepage: https://codesuab.github.io/verifyJS/
- Size: 50.8 KB
- Stars: 2
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# VerifyJS - Simple JavaScript CAPTCHA System
## Overview
**VerifyJS** is a lightweight, customizable JavaScript-based CAPTCHA system that helps prevent automated bot interactions on web forms. It generates random CAPTCHA images that users must solve to verify their human identity.
## Features
- ✅ Customizable CAPTCHA settings (digits, uppercase, special characters)
- 🔄 Refresh button to generate a new CAPTCHA
- 🎨 Adjustable CAPTCHA image size
- 📜 Simple validation method
- 🛡️ Prevents bots from automated form submissions
## Demo
Check out a live demo: [Click for demo](https://codesuab.github.io/verifyJS/)
## Installation
1. Clone the repository or download the files:
```sh
git clone https://github.com/codesuab/verifyjs.git
```
2. Include the JavaScript file in your HTML:
```html
```
3. Or include the minified JavaScript file in your HTML:
```html
```
## Usage
### 1. HTML Structure
Include the following code in your HTML file:
```html
![CAPTCHA]()
Refresh
Submit
```
### 2. JavaScript Configuration
Configure VerifyJS in your script:
```js
// Configure VerifyJS
verifyJS({
totalDigit: 4, // Number of characters in CAPTCHA
number: true, // Allow numbers
uppercase: false, // Disable uppercase letters
specialsCharacter: false, // Disable special characters
width: 140, // CAPTCHA image width
height: 50, // CAPTCHA image height
}).vJSConfig();
// Set image on page load
window.onload = () => {
verifyJS().vJSImgSrc("#captcha");
};
// Refresh CAPTCHA image
function captchaRefresh() {
verifyJS().vJSImgRefreshSrc("#captcha");
}
// Validate CAPTCHA input
function validate() {
const captchaField = document.getElementById("captchaInput").value;
let status = verifyJS().vJSCheck(captchaField);
if (status) {
alert("You passed the CAPTCHA!");
} else {
alert("Sorry, try again!");
}
}
```
## Customization Options
Modify these settings to customize your CAPTCHA:
| Option | Description | Default |
| ------------------- | ----------------------------------- | ------- |
| `totalDigit` | Number of characters in the CAPTCHA | `6` |
| `number` | Include numbers in CAPTCHA | `true` |
| `uppercase` | Include uppercase letters | `true` |
| `specialsCharacter` | Include special characters | `true` |
| `width` | Width of CAPTCHA image | `200` |
| `height` | Height of CAPTCHA image | `50` |
## Contributing
If you'd like to improve VerifyJS, feel free to fork the repository and submit a pull request.
## License
This project is licensed under the MIT License.
---
⭐ **Star this repo if you found it useful!** ⭐