What is Quirks Mode in IE? When and Why we use Quirks Mode in internet explorer? Ask Question. Asked 8 years, 6 months ago. Active 8 years, 6 months ago. Viewed times. It shows broken HTML. Is it a HTML validator or what please explain. Improve this question. Dattatray Walunj Dattatray Walunj 1 1 silver badge 10 10 bronze badges. Add a comment. Active Oldest Votes. This helps you fix compatibility issues without changing a single line of code on the site.
This addition to the site list is a continuation of our commitment to help you upgrade and stay up to date regarding the latest version of Internet Explorer, while preserving your investments in existing apps. While the Enterprise mode functionality provides great compatibility for you on Internet Explorer 8 or Internet Explorer 7, the new document mode capabilities can help you stay up-to-date regardless of which versions of Internet Explorer are running in your environment. Therefore, we recommend that you start your testing process as follows:.
Because you might have multiple versions of Internet Explorer deployed, you might have to use both Enterprise mode and document modes to effectively move to Internet Explorer In Internet Explorer 8, Microsoft introduced compatibility options to allow Internet Explorer to act as if it were Internet Explorer 7.
This change lets users view both fully compliant sites and compatibility views of web content that required Internet Explorer 7. This has been extended up to and including Internet Explorer 11 in order to support the Compatibility View feature - or, at least, document modes. Failing to declare a! When you specify the version for example, Internet Explorer 7 , you set a requirement that the page must use the Internet Explorer 7 Standards mode. Officially, the rules for rendering a webpage are evaluated in the following order by Internet Explorer:.
For details about how document modes are manipulated, see Deprecated document modes and Internet Explorer For more general information about document modes, see Document Modes. To control the value of this feature by using the registry, add the name of your executable file to the following setting, and set the value to match the desired setting. For more information, see Internet Feature Controls B.. We've basicaly won the standards war—browser vendors now pay attention to us.
Nonetheless, winning the war might have brought us a whole new set of problems, problems that are mostly centred on W3C being or having been so slow. Which road do we choose? Strict adherence to the standards in all respects—which brings along a certain slowness; or a more innovation-driven approach—which may lead to proprietary extensions in the sense that they aren't in the specs; but not necessarily in the sense that they differ from browser to browser.
Well, the news is out: the next version of IE is coming and it's called IE8. Personally, I wonder why they make such a big deal of the name, but the MS marketing department is not to be denied. James Edwards makes the remarkable discovery that IE doesn't support the DOM with complete correctness; even if we forgive it for not implementing part of it.
Maintaining a major set of compatibility tables over the past seven has already taught me the same. James adds a few interesting notes, for instance about a second argument to the getAttribute method, which leads him to conclude that Microsoft hasn't even implemented its proprietary stuff correctly. BTW: except for me, James is just about the single person on earth who's going through the major hassle of creating compatibility tables, so I'm glad he's coming to the same conclusions as I have.
Misery loves company. I knew that, but I forgot it. Thanks to Jonathan for reminding me. Events, IE Permalink. This article contains the details that Chris was willing to give on the upcoming IE8.
In fact, this version number is news to me, too; could easily have been 7. This seems to be a sort of super-standards mode as distinct from the doctype switch implemented back in IE6 , and I'm not yet sure if I'm happy about it. I'd like to see a practical example of a situation in which this super-standard mode is desirable. Eric is still working on his reset styles, but is stuck on Explorer not supporting inherit.
What he'd really like is. True, but for most simple websites running the various IEs next to each other is enough. It's only for complex Ajax-enhanced sites that a more formal testing environment is required. Conclusion: 13 weren't, but the damage is slight. Most of these sites were saved by the fact they're not standards compliant, anyway, and IE Quirks Mode has seen little change. David Flanagan discovers that an event object is passed to event handlers set with the Microsoft proprietary attachEvent method.
This object is not the same as window. Everybody kind of assumed that IE only used window. My book doesn't mention this fact, although I don't think I ever denied the existence of these event objects, either. IE 7 has been launched officially.
The only thing I wonder is: can we still uninstall it and get our IE6 back? Before that has been made clear I hesitate to install IE7. IE 7's JavaScript now runs much, much faster than before.
Dean Edwards has the details; and Chris Wilson has confirmed them. It turns out that there are still sites that block IE 7 because presumably it isn't IE 6!
Once again proof that browser detection is like putting guns in the hands of idiots. The IE team has added a navigator. Although this is the only possible solution from MS's point of view, it's still a sad comment on the state of the Web. The IE team gives JavaScript performance tricks. Some are old hat for advanced scripters, but others are new at least, to me. Interesting read overall.
Chris Wilson gets tired of IE bashing, that continues even now that IE 7 turns out to be a giant step forward. Excellent news: IE 7 will be automatically installed via Windows Updates. That means that the time during which we still have to support IE 6 will be dramatically shortened nonetheless it'll take at least a year before IE 6 has gone entirely; probably more like two years.
Data Retrieval, IE Permalink. Good question. Dan wonders whether memory leaks are such a big deal. Sure, they occur, but does it really matter in a lightly scripted page? Interesting question. Not entirely fair.
There are few JavaScript changes. Some more facts about IE7, conditional comments, and possibilities to install IE7 next to earlier versions. Furthermore, he feels that Dean Edwards's IE 7 script may become our saviour in time of need.
An interesting summary of the incorrect implementation of overflow: visble in IE. Solutions: use overflow: hidden obviously or the MS proprietary, but nonetheless interesting, word-wrap: break-word. Markus Mielke of Microsoft explains the feared hasLayout property, its use, and the disadvantage of giving everything layout. Very enlightening. Contains benchmark tests I thought I was the only one who did that.
The tests could use a bit longer loops iterations instead of the currently used , but all in all the tips have an experimental basis and can serve as a first step towards real benchmarking. This is the linklog of Peter-Paul Koch , mobile platform strategist, consultant, and trainer. You can also visit his QuirksBlog , or you can follow him on Twitter.
Atom RSS. Universal Internet Explorer 6 CSS Andy Clarke discusses possible solutions to the IE6 problem, and then highlights his own: create one Universal Internet Explorer 6 CSS file that will give any page a nice-but-basic typography and margins, but no layout or grid at all. Is IE8 the end of the line for Internet Explorer? Isolani proceeds to critcise the idea, and he has a point when he says: What is even worse is that sites are blacklisted by top-level domain.
As the IE8 blog post describes: The data we collect from IE8 beta users is the top level domain of the website and whether the user chose Compatibility View while visiting that site. Requires some thinking. Via Dave Shea. So you see, we have a terrific example here of a gigantic rift between two camps. Common Bonds Eric reminds us of an important point that seems to be forgotten in the versioning switch debate: We all care about the same thing.
I have nothing to add. Thoughts on browser version targeting Richard Rutter agrees with the versioning switch and the default. Version Targeting: Threat or Menace? Zeldman once more defends the versioning switch. They Shoot Browsers, Don't They? All in all he does not entirely convince me. Microsoft versioning: accessibility implications Bruce points out the accessibility problems the versioning switch will cause: large amounts of the Web will be stuck in IE7 mode.
Still broken Jeremy's reaction to Zeldman. He hasn't changed his position substantially. Me, IE8 and Microsoft Versioning Molly disagrees not so much with the versioning switch, but rather with the secrecy in which the talks were held. Divide and conquer David Storey disagrees with the versioning switch. Almost Target Eric offers an older example from the time he still worked at Netscape.
That's an interesting thought I haven't yet seen anywhere else. Good argument. Version Two Eric takes the argument a step further. Microsoft koan Mark Pilgrim disagrees with the versioning switch, but at least he's funny. IE8 and standards mode, bye bye doctypes Peter Nederlof disagrees with the versioning switch.
And what's to prevent us from automatically adding meta tags anyway? This is the key point where I feel the No camp is making a serious mistake. Standards mode is the new quirks mode Roger Johansson disagrees with the versioning switch—for now.
IE8 and the future of the web Rachel Andrew disagrees with the versioning switch, quoting again the default behaviour. Versioning, Compatibility and Standards The Safari team Maciej Stachowiak speaking explains why the versioning switch will not be implemented in Safari any time soon, though they do not pass judgement on IE for implementing it. Mistakes, Sadness, Regret Ian Hickson disagrees with the versioning switch.
An ideal situation, true, but not an impossible one. Web developers will have to know about several IE modes; Ian's right about that. Therefore they have to study web standards as well as the various modes, since without knowledge of web standards the modes are incomprehensible. Once they gain enough insight in web standards, they'll want to work with the highest feasible IE mode, and will switch the sites they maintain to that mode.
All in all, I think Ian may be too negative. I tend to agree with this summary of Microsoft's position. Fortunately he offers actual arguments: Clueless developers won't know about this behaviour so every new site they build will automatically be rendered as IE7. Clueless developers: correct; that's the point of the default behaviour. Clued-up developers: this is an interesting scenario that I hadn't thought of yet.
Users: I'm afraid this is a common misconception. Users don't care what browser they're using. Anyway, good to see some arguments in the No camp.
Best Standards Support Sam Ruby takes a practical approach to the versioning switch: he has engaged the edge value. Meta Madness John disagrees strongly with the versioning switch. He raises a few technical points: Cross-window scripting. What if one window uses one version mode and another one another? A very valid point. Security issues. I don't know anything about security, so I really can't judge.
Unfortunately he, too, is making insubstantial claims: The fundamental issue is that Safari, Firefox, and Opera will all be harmed by attempting to implement this. End of line Internet Explorer Isofarro disagrees strongly with the versioning switch. In defense of version targeting Zeldman replies to Jeremy and explains that we've got precious little choice.
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