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Editorial Team
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Asked: 2026-05-15T03:36:28+00:00

why my myns:button don’t become red in IE 6 / 7 / 8 unlike

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why my “myns:button” don’t become red in IE 6 / 7 / 8 unlike in Firefox / Opera / Safari / Chrome ?

<html>
    <head>
        <script type="text/javascript">
            window.onload = function() {
                var tmp = document.getElementsByTagName('myns:button');

                for (i = 0; i < tmp.length; i++) {
                    tmp[i].style.color = '#FF0000';
                }
            };
        </script>
    </head>
    <body>
        <myns:button>My NS Button</myns:button>
    </body>
</html>

I already tried to prepend the following to my js :

document.createElement('myns:button');

But that doesn’t work in IE, why ?
Thanks.

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1 Answer

  1. Editorial Team

    Like the others I really recommend that you don’t do this. But …

    If you really want to, and you’re not too concerned about validation you can do:

    <html xmlns:myns='http://www.example.com/namespaces'>
    <head>
        <script type="text/javascript">
            window.onload = function() {
                 var tmp = document.getElementsByTagName(
                         (typeof document.body.scopeName == "undefined") ? 
                              'myns:button' : 'button');

                 for (i = 0; i < tmp.length; i++) {
                    if ((typeof tmp[i].scopeName == "undefined") || 
                            (tmp[i].scopeName == 'myns'))
                       tmp[i].style.color = '#FF0000';
                 }
            };
        </script>
    </head>
    <body>
        <myns:button>My NS Button</myns:button>
    </body>
</html>

    Change http://www.example.com/namespaces for your own namespace name.

    Tested in latest versions of FF, Chrome, Opera and in IE6, IE7 and IE8.

    See http://msdn.microsoft.com/en-us/library/ms534388%28VS.85%29.aspx as a starting place for information about how this works in IE.

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