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improve docs

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This commit is contained in:
Leo Horie 2014-10-08 22:32:30 -04:00
parent d4642a9bba
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docs/practices.md
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@ -114,4 +114,7 @@ In addition, note that template performance, both in Mithril templates as well a
## Usage of keys
If you need to sort lists, or delete items from them, or splice them in any way, you should [use the `key` attribute](mithril.md#dealing-with-sorting-and-deleting-in-lists) to maintain referential integrity between the data and the DOM.
If you need to sort lists, or delete items from them, or splice them in any way, you should [use the `key` attribute](mithril.md#dealing-with-sorting-and-deleting-in-lists) to maintain referential integrity between the data and the DOM.
Not using keys still works in some cases, but might trigger more expensive code paths within the redrawing algorithm.