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Modern JavaScript REPL for BlackBerry 10
JavaScriptCore Console brings the power of modern JavaScript development to your BlackBerry 10 device. Built on the robust JavaScriptCore engine from the WebKit project, this application provides a full-featured JavaScript runtime environment optimized for mobile development.
Key Features
- Native JavaScriptCore engine for maximum performance
- Modern ES6+ JavaScript syntax support
- Touch-optimized interface for BB10 devices
- Real-time code execution and evaluation
- Command history with arrow key navigation
- Quick example buttons for common operations
- Error handling and debugging support
- Responsive design for BB10 Passport and other devices
Technical Specifications
JavaScript Engine
JavaScriptCore (WebKit)
Platform
QNX 8 ARM (BlackBerry 10)
Server Technology
Python 3 HTTP Server
Default Port
8080
Memory Usage
~6MB (optimized)
Startup Time
< 2 seconds
Supported JavaScript Features
// Modern JavaScript syntax
let message = "Hello World";
const numbers = [1, 2, 3, 4, 5];
// Arrow functions
const squared = numbers.map(x => x * x);
// Template literals
console.log(`Result: ${squared.join(", ")}`);
// Classes
class Calculator {
add(a, b) { return a + b; }
}
// Async operations (where supported)
const calc = new Calculator();
console.log(calc.add(10, 20));
Performance & Optimization
This application has been specifically optimized for BlackBerry 10 devices:
- Native ARM compilation for maximum speed
- Minimal memory footprint
- Touch-friendly interface elements
- Optimized for BB10 Passport screen resolution
- ES5-compatible JavaScript for broader device support
- Efficient HTTP communication protocols
Security & Privacy
Your code execution is completely local and secure:
- All processing happens locally on your device
- No external network connections required
- JavaScript runs in a sandboxed environment
- No access to device file system or sensitive data
- Server binds to localhost only
Version Information
App Version
1.0.0
Build Date
August 2024
Engine Version
JavaScriptCore (WebKit-based)
Compatibility
BB10 QNX 8 ARM