title: Scroll Top in angular2
body: <p>I am working on angular2 web application where I need help on the following.
  My page consists of multiple components. I want to scroll top of the page when user clicks a button. I tried 
  <code>document.body.scrollTop = 0;</code> but this is not working in Chrome. I Tried document.documentElement.scrollTop=0;window.scrollTo(0, 0); but not working</p>