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docs: updates to minor spelling mistakes in pipes guide (#27208) 

PR Close #27208
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coultonluke 2018-11-21 13:49:39 +00:00 committed by Andrew Kushnir
parent e4c899e4ba
commit d6aca79410
1 changed files with 3 additions and 3 deletions
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aio/content/guide/pipes.md
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@ -340,11 +340,11 @@ code with checkbox switches and additional displays to help you experience these
Replacing the array is an efficient way to signal Angular to update the display. Replacing the array is an efficient way to signal Angular to update the display.
When do you replace the array? When the data change. When do you replace the array? When the data changes.
That's an easy rule to follow in *this* example That's an easy rule to follow in *this* example
where the only way to change the data is by adding a hero. where the only way to change the data is by adding a hero.
More often, you don't know when the data have changed, More often, you don't know when the data has changed,
especially in applications that mutate data in many ways, especially in applications that mutate data in many ways,
perhaps in application locations far away. perhaps in application locations far away.
A component in such an application usually can't know about those changes. A component in such an application usually can't know about those changes.
@ -495,7 +495,7 @@ Write one more impure pipe, a pipe that makes an HTTP request.
Remember that impure pipes are called every few milliseconds. Remember that impure pipes are called every few milliseconds.
If you're not careful, this pipe will punish the server with requests. If you're not careful, this pipe will punish the server with requests.
In the following code, the pipe only calls the server when the request URL changes and it caches the server response. In the following code, the pipe only calls the server when the requested URL changes and it caches the server response.
The code uses the [Angular http](guide/http) client to retrieve data: The code uses the [Angular http](guide/http) client to retrieve data: