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Editorial Team
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Asked: 2026-05-14T23:38:59+00:00

The following code works in Firefox 3.6, but not in Internet Explorer 8: <html>

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The following code works in Firefox 3.6, but not in Internet Explorer 8:

<html>
<head>
   <title>Example</title>
   <script type="text/javascript">
      function init() {
         alert(document.designMode);
         document.designMode = "on";
         alert(document.designMode);
      }
   </script>
</head>
<body onload="init()">
</body>
</html>

In FF the alerts show ‘off’, then ‘on’; in IE they’re both ‘Off’.

What am I doing wrong?

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1 Answer

  1. Editorial Team

    Even though this won’t change what the alerts show, it will turn on an editable mode in IE:

    <html>
<head>
   <title>Example</title>
   <script type="text/javascript">
      function init() {
         alert(document.designMode);
         document.designMode = "On";
         document.body.contentEditable = 'true';
         alert(document.designMode);
      }
   </script>
</head>
<body onload="init()">
</body>
</html>

    You can test by placing some dummy content in the page body (like <p>Test</p>) and loading in both FF and IE. It’s a suitable workaround for at least IE8.

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