Saturday, December 21, 2013

Re: "Object does not support property or method attachEvent" on IE 7,8,9,10

The problem was reported by a client using IE8. We try to reproduce it using IE8 User Agent String in IE 11 development tool. In the JS console we get "Object doesn't support property or method 'attachEvent'.

On Saturday, December 21, 2013 9:35:00 AM UTC-5, Jens wrote:
Do you have Chrome Frame installed in your IE? Or does your IE use a custom User Agent string?

This error basically means GWT is using code that only works in (older) IE's (attachEvent) but the browser you are using is not IE (or its IE 11, but in that case GWT should choose the Gecko/FireFox permutation which does not use attachEvent)

-- J.

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