update 22 with createRef() approach

zlldnv · web-flow · commit bcee8899586b · 2019-07-15T18:15:07.000+03:00
diff --git a/README.md b/README.md
@@ -754,12 +754,16 @@
 
     ```javascript
     class MyComponent extends Component {
+      constructor(props){
+        super(props);
+        this.node = createRef();
+      }
       componentDidMount() {
-        this.node.scrollIntoView()
+        this.node.current.scrollIntoView();
       }
 
       render() {
-        return <div ref={node => this.node = node} />
+        return <div ref={this.node} />
       }
     }
     ```

Original file line number	Diff line number	Diff line change
`@@ -754,12 +754,16 @@`
`754`	`754`
`755`	`755`	```javascript
`756`	`756`	`class MyComponent extends Component {`
	`757`	`+ constructor(props){`
	`758`	`+ super(props);`
	`759`	`+ this.node = createRef();`
	`760`	`+ }`
`757`	`761`	`componentDidMount() {`
`758`		`- this.node.scrollIntoView()`
	`762`	`+ this.node.current.scrollIntoView();`
`759`	`763`	`}`
`760`	`764`
`761`	`765`	`render() {`
`762`		`- return <div ref={node => this.node = node} />`
	`766`	`+ return <div ref={this.node} />`
`763`	`767`	`}`
`764`	`768`	`}`
`765`	`769`	```