title: Open a url in new and same tab again and again
body: <p>I'm unable to find the answer.</p>
  
  <p>How can I use window.open to open a link in a new tab?</p>
  
  <p>Repeated calling should reload that same tab and not open a new one.</p>
  
  <p>I've a button when clicked should load an url. Repeated click should reload in the same tab/window.</p>