mirror of
https://github.com/reactjs/react.dev.git
synced 2026-02-24 04:33:10 +00:00
Update tutorial.md
This commit is contained in:
@@ -168,7 +168,7 @@ Notice how we're mixing HTML tags and components we've built. HTML components ar
|
||||
|
||||
### Using props
|
||||
|
||||
Let's create the Comment component. Using **props** we will be able to read the data passed to it from the `CommentList`, and render some markup:
|
||||
Let's create the `Comment` component, which will depend on data passed in from it's parent. Data passed in from a parent component is available as a 'property' on the child component. These 'properties' are accessed through `this.props`. Using props we will be able to read the data passed to the `Comment` from the `CommentList`, and render some markup:
|
||||
|
||||
```javascript
|
||||
// tutorial4.js
|
||||
@@ -190,7 +190,7 @@ By surrounding a JavaScript expression in braces inside JSX (as either an attrib
|
||||
|
||||
### Component Properties
|
||||
|
||||
Let's create our third component, `Comment`. We will want to pass it the author name and comment text so we can reuse the same code for each unique comment. First let's add some comments to the `CommentList`:
|
||||
Now that we have defined the `Comment` component, we will want to pass it the author name and comment text. This allows us to reuse the same code for each unique comment. Now let's add some comments within our `CommentList`:
|
||||
|
||||
```javascript{6-7}
|
||||
// tutorial5.js
|
||||
@@ -206,7 +206,7 @@ var CommentList = React.createClass({
|
||||
});
|
||||
```
|
||||
|
||||
Note that we have passed some data from the parent `CommentList` component to the child `Comment` components. For example, we passed *Pete Hunt* (via an attribute) and *This is one comment* (via an XML-like child node) to the first `Comment`. Data passed from parent to children components is called **props**, short for properties.
|
||||
Note that we have passed some data from the parent `CommentList` component to the child `Comment` components. For example, we passed *Pete Hunt* (via an attribute) and *This is one comment* (via an XML-like child node) to the first `Comment`. As noted above, the `Comment` component will access these 'properties' through `this.props.author`, and `this.props.children`.
|
||||
|
||||
### Adding Markdown
|
||||
|
||||
|
||||
Reference in New Issue
Block a user