Exercise Countdown

A Bruce Project

Purpose

A small exercise to practice JavaScript/CSS/HTML

What does it do?

1. Clicking the screen will start a countdown from 10. Box disappears when it reaches 0.
2. Clicking with shift key pressed will start a block that counts up from 1.
3. You can start any number of counters in the screen.
4. Double-clicking the screen will accelerate the counting for all the blocks currently in the screen.

Update

Updated to include the shift key function