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Viewport Size, Screen Resolution, Mouse Postition

/ Published in: JavaScript
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  1. <script type="text/javascript">
  2. function getViewportWidth()
  3. {
  4.        if (window.innerWidth)
  5.        {
  6.                return window.innerWidth;
  7.        }
  8.        else if (document.body && document.body.offsetWidth)
  9.        {
  10.                return document.body.offsetWidth;
  11.        }
  12.        else
  13.        {
  14.                return 0;
  15.        }
  16. }
  17.  
  18. function getViewportHeight()
  19. {
  20.        if (window.innerHeight)
  21.        {
  22.                return window.innerHeight;
  23.        }
  24.        else if (document.body && document.body.offsetHeight)
  25.        {
  26.                return document.body.offsetHeight;
  27.        }
  28.        else
  29.        {
  30.                return 0;
  31.        }
  32. }
  33.  
  34. var tellMeTheSizes=function()
  35. {
  36.        document.getElementById("viewportwidth").innerHTML = getViewportWidth() + "px";
  37.        document.getElementById("viewportheight").innerHTML = getViewportHeight() + "px";
  38.        document.getElementById("resolutionheight").innerHTML = screen.height + "px";
  39.        document.getElementById("resolutionwidth").innerHTML = screen.width + "px";
  40. }
  41.  
  42. window.onload=function()
  43. {
  44.        tellMeTheSizes();
  45. }
  46.  
  47. window.onresize=function()
  48. {
  49.        tellMeTheSizes();
  50. }
  51.  
  52. window.onmousemove=function(event)
  53. {
  54.        ev = event || window.event;
  55.        document.getElementById("mousetop").innerHTML = ev.pageY + "px";
  56.        document.getElementById("mouseleft").innerHTML = ev.pageX + "px";
  57. }
  58. </script>

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