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by martin-adams 4736 days ago
I've done a lot of UI work for an embedded device which explicitly supported IE8. Compare IE8 to Chrome for anything of complexity and you really do realise how slow it is. What would take about 30 seconds in Chrome would be over 10 minutes in IE8.

This of course was doing a lot of XML data processing with XPath and using the Dojo framework. But all in all, JavaScript is mostly compatible, it's the DOM you have to watch, trailing commas and some subtle XML properties such as 'hasAttribute', and of course, don't leave in those console.log statements.

Wrapper the low level stuff and make sure all your developers write consistent code and life will be a lot better.