Re: IE11 Compatibility Mode not supported. How to handle it?

See https://stackoverflow.com/questions/28727070/gwt-2-7-warn-users-they-are-using-an-unsupported-browser (beware that those properties use eval() so are possibly unsafe and/or won't work under a strict CSP; you could customize the CrossSiteIframeLinker with a different processMetas.js that doesn't use eval())

Alternatively, use <set-property-fallback> to avoid the error, then use UserAgent in your entry point to check the browser and bail out.

On Monday, March 11, 2019 at 1:58:55 AM UTC+1, Craig Mitchell wrote:

As it was an uncaught exception, I was able to catch it in a global handler.  Not a great solution, but it works.

<script type="text/javascript">
  window.onerror = function myErrorHandler(errorMsg, url, lineNumber) {
    if (navigator.appVersion.indexOf("MSIE 7.") != -1) {
      alert("Sorry, IE7 is not supported.");
    } else {
      alert("An unexpected error occurred: " + errorMsg);
    }
    return false;
  }
</script>

Any better ideas will be much appreciated.  :-)

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