Answers for "create react app title"

change title react

import React from 'react'
import ReactDOM from 'react-dom'


class Doc extends React.Component{
  componentDidMount(){
    document.title = "dfsdfsdfsd"
  }

  render(){
    return(
      <b> test </b>
    )
  }
}

ReactDOM.render(
  <Doc />,
  document.getElementById('container')
);

how to change the title of create-react-app

You can find the source HTML file in the public folder of the generated project. 
You may edit the <title> tag in it to change the title from “React App” to anything else.