@samitouri / QOS-React / commits / 8b39991819

Update name of property initializer proposal (#10812)

The proposal for property initializers is called [Public Class Fields](https://tc39.github.io/proposal-class-public-fields/) now (part of the combined [Class Fields](https://github.com/tc39/proposal-class-fields) proposal).

Karl Horky committed Sep 26, 2017 at 20:48 UTC 8b39991819cb0a64eadf074725050e24a91e6a62
1 file changed +3 -3
docs/docs/handling-events.md
+3 -3
@@ -97,7 +97,7 @@ You have to be careful about the meaning of `this` in JSX callbacks. In JavaScri
97
98 This is not React-specific behavior; it is a part of [how functions work in JavaScript](https://www.smashingmagazine.com/2014/01/understanding-javascript-function-prototype-bind/). Generally, if you refer to a method without `()` after it, such as `onClick={this.handleClick}`, you should bind that method.
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100 -If calling `bind` annoys you, there are two ways you can get around this. If you are using the experimental [property initializer syntax](https://babeljs.io/docs/plugins/transform-class-properties/), you can use property initializers to correctly bind callbacks:
100 +If calling `bind` annoys you, there are two ways you can get around this. If you are using the experimental [public class fields syntax](https://babeljs.io/docs/plugins/transform-class-properties/), you can use class fields to correctly bind callbacks:
101
102 ```js{2-6}
103 class LoggingButton extends React.Component {
@@ -119,7 +119,7 @@ class LoggingButton extends React.Component {
119
120 This syntax is enabled by default in [Create React App](https://github.com/facebookincubator/create-react-app).
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122 -If you aren't using property initializer syntax, you can use an [arrow function](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Functions/Arrow_functions) in the callback:
122 +If you aren't using class fields syntax, you can use an [arrow function](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Functions/Arrow_functions) in the callback:
123
124 ```js{7-9}
125 class LoggingButton extends React.Component {
@@ -138,4 +138,4 @@ class LoggingButton extends React.Component {
138 }
139 ```
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141 -The problem with this syntax is that a different callback is created each time the `LoggingButton` renders. In most cases, this is fine. However, if this callback is passed as a prop to lower components, those components might do an extra re-rendering. We generally recommend binding in the constructor or using the property initializer syntax, to avoid this sort of performance problem.
141 +The problem with this syntax is that a different callback is created each time the `LoggingButton` renders. In most cases, this is fine. However, if this callback is passed as a prop to lower components, those components might do an extra re-rendering. We generally recommend binding in the constructor or using the class fields syntax, to avoid this sort of performance problem.