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javascriptinternet-explorerinternet-explorer-8prototypejsobject-expected

'Object Expected' Javascript error in IE8 when using prototype.js

function icPageInit()
{
    $("icImgDiv" + icAlternate()).setOpacity(0);
    return true;
}
window.onload = icPageInit;

This piece of Javascript code works fine in Firefox and Chrome, but fails with the error 'Object Expected' in Internet Explorer 8. IE8 says the error occurs on line 3 of the above code.

Does anyone know why this is happening, and/or how to get it working?

Solution

  • Figured it out.

    Turns out Internet Explorer chokes if you use anything other than "javascript" in the language attribute of the script tag.

    I was using version numbers appended onto javascript in the language attribute, which was causing IE not to load prototype.js.