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Graham42/nope-to-IE.html

Last active December 16, 2017 22:35
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refuse to serve IE - this is conditionally useful
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nope-to-IE.html
<body>
<noscript>
<p>You need to enable JavaScript to run this app.</p>
</noscript>
<!-- Check for IE 9 and below -->
<!--[if IE]>
<p>Sorry! Your browser is not supported. We recommend using
<a href="https://www.google.com/chrome/browser/">Chrome</a> or
<a href="https://www.mozilla.org/en-US/firefox/new/">Firefox</a>.
</p>
<![endif]-->
<!-- Check for unsupported browsers that are not IE 9 and below -->
<!--[if !IE]><!-->
<script type="text/javascript">
(function () {
// This is an estimate, pretty much all modern browsers support promises
var supported =
window.Promise !== undefined &&
window.Promise !== null &&
Object.prototype.toString.call(window.Promise.resolve()) === '[object Promise]';
if (!supported) {
var root = document.getElementById('root');
root.id = 'x';
root.innerHTML =
'<p>Sorry! Your browser is not supported. We recommend using <a href="https://www.google.com/chrome/browser/">Chrome</a> or <a href="https://www.mozilla.org/en-US/firefox/new/">Firefox</a>.</p>';
}
})();
</script>
<!--<![endif]-->
</body>
@Graham42
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Graham42 commented Nov 30, 2017 •
edited
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This should not be used for websites. Websites should gracefully degrade.

However, for web apps this may be reasonable depending on your business case.

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