Xây dựng bài kiểm tra tốc độ gõ với WPM và độ chính xác theo thời gian thực, mức độ khó, đánh dấu lỗi, lịch sử và bài thi tùy chỉnh.
Build an interactive typing speed test using HTML5, CSS3, and JavaScript. Create a clean interface with text display and input area. Implement WPM and accuracy calculation in real-time. Add difficulty levels with appropriate text selection. Include error highlighting and correction tracking. Implement test history with performance graphs. Add custom test creation with text import. Include virtual keyboard display showing keypresses. Support multiple languages and keyboard layouts. Create a responsive design for all devices. Add competition mode with leaderboards.
