Class Properties

Component.jsx

class Accordion extends Component  {      
  /*
    contructor() {
      this.handleHeaderClick = this.handleHeaderClick.bind(this)
      this.handleArrowClick = this.handleArrowClick.bind(this)
    }
   */
  
   handleHeaderClick () => {
      this.setState({ isOpen: !this.state.isOpen })    
   }

   handleArrowClick () => {
      this.setState({ isOpen: !this.state.isOpen })    
   }
}

Hi Shubham,

Came across your article in medium, Great post!!
i think slight changes in handle function.
missing = before ()
handleHeaderClick = () => {
this.setState({ isOpen: !this.state.isOpen })
}

handleArrowClick = () => {
this.setState({ isOpen: !this.state.isOpen })
}