Fix typo on tutorial.md. (#9644)
The absence of the word `this` will cause CodePen to scream at you. This fix should avoid that.
Carolina Powers committed
May 10, 2017 at 03:23 UTC
7c1e971e7fb4f9329f42c8f8f9f3fbb6803cb0a5
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docs/tutorial/tutorial.md
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@@ -221,7 +221,7 @@ In [JavaScript classes](https://developer.mozilla.org/en-US/docs/Web/JavaScript/
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Now change the Square `render` method to display the value from the current state, and to toggle it on click:
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* Replace `this.props.value` with `this.state.value` inside the `<button>` tag.
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-* Replace the `() => alert()` event handler with `() => setState({value: 'X'})`.
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+* Replace the `() => alert()` event handler with `() => this.setState({value: 'X'})`.
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Now the `<button>` tag looks like this:
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