docs: Replace $emdash; with an actual em dash (#37723)

fix documentation in the lifecycle hooks guide where $emdash; was not being replaced by an actual em dash (-)

PR Close #37723
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Trung Vo 2020-06-25 10:34:32 +08:00 committed by Andrew Kushnir
parent f3ec37ebbf
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@ -495,7 +495,7 @@ for one turn of the browser's JavaScript cycle, which triggers a new change-dete
#### Write lean hook methods to avoid performance problems
When you run the *AfterView* sample, notice how frequently Angular calls `AfterViewChecked()`$emdash;often when there are no changes of interest.
When you run the *AfterView* sample, notice how frequently Angular calls `AfterViewChecked()`-often when there are no changes of interest.
Be very careful about how much logic or computation you put into one of these methods.
<div class="lightbox">