en.javascript.info/1-js/07-object-inheritance/10-class-inheritance/2-clock-class-extended/task.md

importance: 5

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Extended clock

We've got a Clock class. As of now, it prints the time every second.

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.