Update react

npm install react-scripts@latest

Update react app

//NPM
npm install --save react@latest

//Yarn
yarn upgrade react@latest

Source: stackoverflow.com

How to update react app

//open terminal and run thsi code 
cd newreact
//where newreact is the old react app you created
//open package.json in text editor and change the version to latest
//open the same terminal gain and run this
npm install

React lifecycle hooks

class Content extends React.Component {
  // ...
  componentWillMount() {
    this.setState({ activities: data });
  }
  // ...
}

-1

Source: newline.co

Similar codes

2 votes235 views1 answer
React select with custom option
Javascript React
0 vote202 views1 answer
React dynamic load script
Javascript React
0 vote202 views1 answer
Add Multilanguage Support to React App
Javascript React
0 vote195 views1 answer
Update an object key value in state react
Javascript React
-1 vote218 views5 answers
Play audio in react
Javascript React
0 vote201 views1 answer
Infinite scroll for chat react js
Javascript React
0 vote197 views1 answer
Load all icon from a folder in react
Javascript React
0 vote284 views2 answers
React particles react
Javascript React
1 vote182 views1 answer
React why onclick property function trigger without click
Javascript React
3 votes200 views1 answer
React native nox emulator
Javascript React