A clean, responsive, and performance-optimized single-page web utility designed for tracking personal micro-finance transactions, calculating net cash flows, and generating real-time dynamic ledger summaries.
The production build is fully compiled, hosted, and accessible globally: Live Demo: https://divyaprasoon-expense.vercel.app/
This application was engineered from the ground up prioritizing zero third-party dependencies, layout rendering efficiency, and precise state isolation.
- Frontend Engine: Semantic HTML5 structured layout paired with component-driven modern CSS layers.
- Logical Runtime: Vanilla JavaScript (ES6+) leveraging asynchronous execution behaviors and dynamic DOM mutation pipelines.
- Data Aggregation: Array data-structures manipulated via high-order functional methods (
.map(),.filter(), and.reduce()) to perform transactional math computations. - State Persistence Implementation: Implements an explicitly controlled
window.localStorageoptimization pipeline. This application introduces an absolute state-locking gateway—data persists across browser sessions exclusively when authorized manually by the user.
- Dynamic Ledger Analytics: Displays absolute real-time net-balance totals alongside individual dynamic income and expense statistical modules.
- Transactional CRUD Pipelines: Users can smoothly register new entries or discard historical nodes directly from the UI history thread.
- User-Triggered Session Backup: Introduces an intuitive cache persistence controller via a manual preservation button (
💾 Save Session Permanently). - Airtight Hydration Checks: On system initialization, an automated system daemon safely scans local storage and queries the client to prompt or decline historic profile recovery.
expense-tracker/
├── index.html # Structural semantics
├── style.css # Premium gradient layout sheets
├── script.js # State management and math logic
└── preview.png # UI preview asset