pxt-calliope/docs/reference/js/lessons/smiley/quiz.md

# smiley quiz

make a smiley face blink.

## Name

## 1. Describe what `basic->show animation` does

<br/>

<br/>

## 2. Why is there an extra empty frame after the smiley face?

```
basic.showAnimation(`
. # . # . . . . . .
. # . # . . . . . .
. . # . . . . . . .
# . . . # . . . . .
. # # # . . . . . .
`, 400)
```

<br/>

## 3. Change the delay shown from 400 milliseconds to 1000 milliseconds.

```
basic.showAnimation(`
. # . # . . . . . .
. # . # . . . . . .
. . # . . . . . . .
# . . . # . . . . .
. # # # . . . . . .
`, 400)
```

<br/>

## 4. Now let's change the delay shown below from 400 milliseconds to 2.5 seconds.

```
basic.showAnimation(`
. # . # . . . . . .
. # . # . . . . . .
. . # . . . . . . .
# . . . # . . . . .
. # # # . . . . . .
`, 400)
```

<br/>