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Consistent CodePen links in docs

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Dan Abramov 8 years ago
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b47e2d77c5
  1. 6
      docs/conditional-rendering.md
  2. 8
      docs/forms.md
  3. 10
      docs/lists-and-keys.md

6
docs/conditional-rendering.md

@ -42,7 +42,7 @@ ReactDOM.render(
);
```
[Try it out on CodePen.](https://codepen.io/gaearon/pen/ZpVxNq?editors=0011)
[Try it on CodePen.](https://codepen.io/gaearon/pen/ZpVxNq?editors=0011)
This example renders a different greeting depending on the value of `isLoggedIn` prop.
@ -116,7 +116,7 @@ ReactDOM.render(
);
```
[Try it out on CodePen.](https://codepen.io/gaearon/pen/QKzAgB?editors=0010)
[Try it on CodePen.](https://codepen.io/gaearon/pen/QKzAgB?editors=0010)
While declaring a variable and using an `if` statement is a fine way to conditionally render a component, sometimes you might want to use a shorter syntax. There are a few ways to inline conditions in JSX, explained below.
@ -238,4 +238,4 @@ ReactDOM.render(
);
```
[Try it out on CodePen.](https://codepen.io/gaearon/pen/Xjoqwm?editors=0010)
[Try it on CodePen.](https://codepen.io/gaearon/pen/Xjoqwm?editors=0010)

8
docs/forms.md

@ -302,7 +302,7 @@ ReactDOM.render(
);
```
[Try it out on CodePen.](https://codepen.io/gaearon/pen/JRVaYB?editors=0010)
[Try it on CodePen.](https://codepen.io/gaearon/pen/JRVaYB?editors=0010)
### Controlled Textarea
@ -346,7 +346,7 @@ ReactDOM.render(
);
```
[Try it out on CodePen.](https://codepen.io/gaearon/pen/NRmLxN?editors=0010)
[Try it on CodePen.](https://codepen.io/gaearon/pen/NRmLxN?editors=0010)
### Controlled Select
@ -389,7 +389,7 @@ ReactDOM.render(
);
```
[Try it out on CodePen.](https://codepen.io/gaearon/pen/qawrbr?editors=0010)
[Try it on CodePen.](https://codepen.io/gaearon/pen/qawrbr?editors=0010)
### Uncontrolled Radio Button
@ -456,7 +456,7 @@ ReactDOM.render(
);
```
[Try it out on CodePen.](https://codepen.io/gaearon/pen/ozOPLJ?editors=0010)
[Try it on CodePen.](https://codepen.io/gaearon/pen/ozOPLJ?editors=0010)
### Uncontrolled Checkbox

10
docs/lists-and-keys.md

@ -42,7 +42,7 @@ ReactDOM.render(
);
```
[Try it out on CodePen.](https://codepen.io/gaearon/pen/GjPyQr?editors=0011)
[Try it on CodePen.](https://codepen.io/gaearon/pen/GjPyQr?editors=0011)
This code displays a bullet list of numbers between 1 and 5.
@ -94,7 +94,7 @@ ReactDOM.render(
);
```
[Try it out on CodePen.](https://codepen.io/gaearon/pen/jrXYRR?editors=0011)
[Try it on CodePen.](https://codepen.io/gaearon/pen/jrXYRR?editors=0011)
## Keys
@ -200,7 +200,7 @@ ReactDOM.render(
);
```
[Try it out on CodePen.](https://codepen.io/rthor/pen/QKzJKG?editors=0010)
[Try it on CodePen.](https://codepen.io/rthor/pen/QKzJKG?editors=0010)
A good rule of thumb is that elements inside the `map()` call need keys.
@ -244,7 +244,7 @@ ReactDOM.render(
);
```
[Try it out on CodePen.](https://codepen.io/gaearon/pen/NRZYGN?editors=0010)
[Try it on CodePen.](https://codepen.io/gaearon/pen/NRZYGN?editors=0010)
Keys serve as a hint to React but they don't get passed to your components. If you need the same value in your component, pass it explicitly as a prop with a different name:
@ -294,6 +294,6 @@ function NumberList(props) {
}
```
[Try it out on CodePen.](https://codepen.io/gaearon/pen/BLvYrB?editors=0010)
[Try it on CodePen.](https://codepen.io/gaearon/pen/BLvYrB?editors=0010)
Sometimes this results in clearer code, but this style can also be abused. Like in JavaScript, it is up to you to decide whether it is worth extracting a variable for readability. Keep in mind that if the `map()` body is too nested, it might be a good time to [extract a component](/react/docs/components-and-props.html#extracting-components).

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