Update 10.1-animation.md
Changed "if" to "even when" for clarity.
Leon Yip committed
Aug 22, 2015 at 00:42 UTC
c0e21d1b856672ef647e4437a75134086320ac80
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docs/docs/10.1-animation.md
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@@ -54,7 +54,7 @@ var TodoList = React.createClass({
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```
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> Note:
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>
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-> You must provide [the `key` attribute](/react/docs/multiple-components.html#dynamic-children) for all children of `ReactCSSTransitionGroup`, even if rendering a single item. This is how React will determine which children have entered, left, or stayed.
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+> You must provide [the `key` attribute](/react/docs/multiple-components.html#dynamic-children) for all children of `ReactCSSTransitionGroup`, even when only rendering a single item. This is how React will determine which children have entered, left, or stayed.
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In this component, when a new item is added to `ReactCSSTransitionGroup` it will get the `example-enter` CSS class and the `example-enter-active` CSS class added in the next tick. This is a convention based on the `transitionName` prop.
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