Solve the incorrect line code of web programming.
Tap the correct answer at the current pointed error code and get the higher score.
Features:
- Difficulty
Each difficulty have a different amount of timer, the harder difficulty have less timer but also more scores.
- Learn
Learn some of HTML tag reference at anytime
Last updated on 2018年05月27日
此版本包含小幅错误修复和常规改进。请更新至最新版本，以获得更佳体验。
