Support for the canvas element was added to Internet Explorer 9. Earlier versions of Internet Explorer can be made to emulate canvas using the excanvas script.
Internet Explorer supports PNG images but is unable to correctly display images with gamma correction or color correction.[citation needed] Versions of Internet Explorer prior to version 7 are unable to correctly display images with alpha channel (for transparency) without additional coding [9].
Opera can auto-complete forms with your personal information and website usernames. Also there is extension AutoCompleteArchived 25 July 2014 at the Wayback Machine which can complete forms with form history.
CSS 2, a W3C recommendation since 1998, is the current stable version of CSS, nevertheless, CSS 2.1 corrects a few errors in CSS2 (the most important being a new definition of the height/width of absolutely positioned elements, more influence for HTML's "style" attribute and a new calculation of the 'clip' property), and adds a few highly requested features which have already been widely implemented. CSS 2.1 is derived from and is intended to replace CSS 2. Conformance criteria are detailed at the W3C website. (CSS 3 is only in draft status at present.) For more detailed information please see comparison of layout engines (CSS).
Opera can auto-complete forms with your personal information and website usernames. Also there is extension AutoCompleteArchived 25 July 2014 at the Wayback Machine which can complete forms with form history.
It is possible to compile Amaya with JavaScript enabled, using the CVS version and SpiderMonkey. However, this is still experimental and only a small subset of DOM 1 is available.
