HTML - DOM Document documentMode Property

The documentMode property is an IE8 property which determines the rendering mode used by browser. IE8 can render a webpage in various modes depending on different factors like DOCTYPE declaration and presence of certain elements.

Depending on the mode being used, documentMode property would return a numeric value. The documentMode property is deprecated as it works only in Internet Explorer.

Syntax

 document.documentMode;

Return Value

In Internet Explore, it returns a numeric value depending on which mode is being used to render the webpage. It returns undefined in all other browsers.

For IE5, value returned will be 5.
For IE7, value returned will be 7.
For IE8, value returned will be 8.

Example of HTML DOM Document 'documentMode' Property

In the following example, documentMode property is used which returns undefined.

 <!DOCTYPE html> <html lang="en"> <head> <title> HTML DOM Document documentMode Property </title> </head> <body> <p>Click below to get the documentMode</p> <button onclick="fun()">Click me</button> <p id="mode"></p> <script> function fun() { let x = document.documentMode; document.getElementById("mode").innerHTML = x; } </script> </body> </html>

Supported Browsers

Property
documentmode	No	No	No	No	No

html_dom.htm

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