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Fixed: code desc & task desc

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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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6
3-animation/3-js-animation/2-animate-ball-hops/task.md
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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"]
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.

2
3-animation/3-js-animation/article.md
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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.
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
<script>