en.javascript.info/1-js/09-classes/02-class-inheritance/2-clock-class-extended/task.md
2019-04-21 13:40:20 +03:00

15 lines
426 B
Markdown

importance: 5
---
# Extended clock
We've got a `Clock` class. As of now, it prints the time every second.
[js src="source.view/clock.js"]
Create a new class `ExtendedClock` that inherits from `Clock` and adds the parameter `precision` -- the number of `ms` between "ticks". Should be `1000` (1 second) by default.
- Your code should be in the file `extended-clock.js`
- Don't modify the original `clock.js`. Extend it.