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Browsers View port Width & Height using Javascript

, 19 Apr 2011
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To get Browsers View port Width & Height using JavaScript
This code will help you to get the browser's view port width & height.
 
First, we need to write the below JavaScript inside the head section in HTML.
<script type="text/javascript" language="javascript">
        function fnGetWidthHeight() {
            var viewportwidth;
            var viewportheight;
            // The more standards compliant browsers (mozilla/netscape/opera/chrome/IE7) use window.innerWidth and window.innerHeight
            if (typeof window.innerWidth != 'undefined') {
                viewportwidth = window.innerWidth;
                viewportheight = window.innerHeight;
            }
            // IE6 in standards compliant mode (i.e. with a valid doctype as the first line in the document)
            else if (typeof document.documentElement != 'undefined' && typeof document.documentElement.clientWidth != 'undefined' && document.documentElement.clientWidth != 0) {
                viewportwidth = document.documentElement.clientWidth;
                viewportheight = document.documentElement.clientHeight;
            }
            // older versions of IE
            else {
                viewportwidth = document.getElementsByTagName('body')[0].clientWidth;
                viewportheight = document.getElementsByTagName('body')[0].clientHeight;
            }
            alert('Your viewport width & height is ' + viewportwidth + 'x' + viewportheight);
        }
    </script>
Then, we need to call this script from the body tag like below:
<body onload="fnGetWidthHeight()">
Now, run and see the size of view port area by increasing/decreasing the browser width/height.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Toniyo Jackson
Software Developer
India India
No Biography provided

Comments and Discussions

 
Generalnice script Pinmember_Programmer26-Apr-11 3:53 
GeneralRe: Thank You PinmemberToniyo Jackson26-Apr-11 19:58 
GeneralCool. +5 for sharing the Tip. PinmvpKunal_Chowdhury20-Apr-11 8:01 
GeneralRe: Thanks Kunal PinmemberToniyo Jackson20-Apr-11 20:26 

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