Reliably hides the address bar on mobile browsers.

hide_address_bar.js.coffee

hideAddressBar = ->
  inScroll = false
  fun = ->
    return true if inScroll
    inScroll = true
    de = document.documentElement
    h = window.outerHeight/window.devicePixelRatio
    if de.scrollHeight < h
      de.style.height = h + 'px'
    window.scrollTo 0, 1
    inScroll = false
    return false

  window.addEventListener "load", fun
  window.addEventListener "orientationchange", fun
  window.onscroll = fun
  setTimeout fun, 100
hideAddressBar()