title: Javascript interface not working with android 4.2
body: <p>I am facing a serious bug of android OS Jelly Bean 4.2, here in my program I am using JavaScript to get the height of webpage and it is perfectly working from android 2.2 to 4.1 but when I tried to use the same code in android 4.2 so the JavaScript interface not working.</p>
  
  <p>How can I fix this issue?</p>