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react_clock's Introduction

React Clock

Task

Create a Clock component updating the time every second.

  • use class component
  • start the timer only when the component is added to the page

demo

Lifecicle methods tasks

  1. Change the Clock component to print the time in the DevTools console
  2. Add a button outside the Clock component
  3. The button should toggle visibility of the Clock (isClockVisible = true/false)
  4. Click the button several times and finish with the Clock visible
  5. The time in the console should be printed only once each second.

Prop update task

  1. Add a prop name to the Clock
  2. Every time the name changes print a message in the console The Clock was renamed from oldName to newName.
  3. To check if it works add a button to the App that will set a random number as a name for the clock.
  4. The time should still be printed in the console every second

react_clock's People

Contributors

mgrinko avatar

Watchers

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