export default class NavbarComp extends Component {
  constructor() {
   super();
   this.state = {
    windowHight:"",
    navbarfix: ""
  };
  this.handleScroll = this.handleScroll.bind(this)
  }

getWindowHight(){
 let deviceWindow = document.getElementById('landing-section');
 let deviceWindowHight = window.getComputedStyle(deviceWindow).getPropertyValue('height');

console.log("from getinitiatlhight" + deviceWindowHight);

this.setState({
  windowHight: deviceWindowHight
  });

componentDidMount(){
 window.addEventListener('scroll', this.handleScroll);
 this.getWindowHight();
}

handleScroll() {
 console.log("scrolll" + this.state.windowHight);
 if (window.pageYOffset >= this.state.windowHight) {
  console.log("fix");
 } else if (window.scrollY < this.state.windowHight) {
  console.log("unfix" );
 }
}