pxt-calliope/docs/reference/js/lessons/guess-the-number/challenges.md

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2016-03-26 00:47:20 +01:00
# guess the number challenges
Coding challenges for the guess the number tutorial. #docs
## Before we get started
Complete the following guided tutorial:
* [tutorial](/microbit/lessons/guess-the-number/tutorial)
At the end of the tutorial, click `keep editing`. Your code should look like this:
```
input.onButtonPressed("A", () => {
let x = Math.random(10)
basic.showNumber(x, 150)
})
```
### Challenge 1
### @video td/videos/guess-the-number-2
When button `B` is pressed, we want to clear the screen. This will make it so users can play your game over and over again! Add an event handler to handle this case.
```
input.onButtonPressed("A", () => {
let x1 = Math.random(10)
basic.showNumber(x1, 150)
})
input.onButtonPressed("B", () => {
basic.clearScreen() // ***
})
```
### Challenge 2
Show an animation when you clear the screen! Choose what animation makes most sense to you. Be creative!