title: how to stop reloading of a page on go back in ionic 3 angular 4
body: <p>I have two pages(page1 &amp; page2), on page1 there are two iframe in which pre define urls are loaded then I navigate to page2 and as come back to page1 from page2, both the iframe start reloading.</p>
  
  <p>I want to stop this reloading of iframe. Is this possible in ionic? </p>