Fixed: code desc & task desc

This commit is contained in:
upupming 2018-10-04 23:33:14 +08:00
parent 39fb7a648b
commit 12d814003e
2 changed files with 4 additions and 4 deletions

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@ -2,12 +2,12 @@ importance: 5
--- ---
# Animate the ball bouncing to the left # Animate the ball bouncing to the right
Make the ball bounce to the left. Like this: Make the ball bounce to the right. Like this:
[iframe height=250 src="solution"] [iframe height=250 src="solution"]
Write the animation code. The distance to the right is `100px`. Write the animation code. The distance to the left is `100px`.
Take the solution of the previous task <info:task/animate-ball> as the source. Take the solution of the previous task <info:task/animate-ball> as the source.

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@ -100,7 +100,7 @@ The `callback` gets one argument -- the time passed from the beginning of the pa
Usually `callback` runs very soon, unless the CPU is overloaded or the laptop battery is almost discharged, or there's another reason. Usually `callback` runs very soon, unless the CPU is overloaded or the laptop battery is almost discharged, or there's another reason.
The code below shows the time between first 20 runs for `requestAnimationFrame`. Usually it's 10-20ms: The code below shows the time between first 10 runs for `requestAnimationFrame`. Usually it's 10-20ms:
```html run height=40 refresh ```html run height=40 refresh
<script> <script>