x-ua-compatible | 易学教程

IE Compatibility Mode: 'X-UA-Compatible' tag 'Edge'

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I have this in the <head> : <meta http-equiv="X-UA-Compatible" content="IE=Edge" /> It will force the latest rendering mode for IE, but is Compatibility Mode considered the last one? I mean, for example: using this code with IE8, it will force it to use IE8 or IE8 Compatibility Mode? That tag will try to force the browser to use the latest rendering mode the browser supports. It will not trigger Compatibility mode. Note that the tag has to be the first tag in the head or it will not work. This fact favors using HTTP headers if possible as the order in the HTTP headers does not matter. If the

How to forcefully set IE's Compatibility Mode off from the server-side?

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问题 In a domain-controlled environment I'm finding that the compatibility mode is triggered on certain clients (winXP/Win7, IE8/IE9) even when we are providing a X-UA tags, a !DOCTYPE definition and "IE=Edge" response headers. These clients have the "display intranet sites in compatibility view" checkbox ticked. Which is precisely what I'm trying to override. The following is the documentation that I've used to try understand how IE decides to actually trigger the compatibility mode. http://msdn

How to disable Compatibility View in IE

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问题 I am wondering how do you stop people who are using IE 8 from going to Compatibility mode? <meta http-equiv="X-UA-Compatible" content="IE=8" /> I found this tag and I think this forces people to stay in IE-8 mode but I am not too sure and can't check as I have IE 9. If people are in IE 9 mode I force them to not go into IE 8 or IE 7 Compatibility mode? I tried to put the above line in my code and went to IE 9 -> Tools -> Compatibility View(Grayed Out) but "Compatibility View Settings" was not

Why use X-UA-Compatible IE=Edge anymore?

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问题 I've taken several online courses lately and I still see some instructors add the following meta tag to the top of their documents by default: <meta http-equiv="X-UA-Compatible" content="IE=edge"> The thinking appears to be that this is just as important and useful as <meta charset="UTF-8"> . But why? According to Microsoft's Modern.ie documentation it's "best practice" which "ensures Internet Explorer uses the latest engine". Ok, fair enough. However, if you follow the flow diagram on MSDN

How do I force Internet Explorer to render in Standards Mode and NOT in Quirks?

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I am coding a Frontend which works well in IE7 Standards Mode and IE8 Standards Mode. When I start up Internet Explorer and load the page both IE7 and IE8 go to Quirks Mode directly. How can I force both IE7 and IE8 to always load the page in Standards Mode? I have no special meta tags added so far. Thanks for helping me out Edit: My doctype and head looks as follows at the moment: <!DOCTYPE html> <html lang="de"> <head> <title>...</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta charset="utf-8" /> <script src="js/html5.js"></script> (...) </head> davidkonrad This is the

Force IE9 to emulate IE8. Possible?

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问题 Is this possible at all? I tried adding this to the page but it didn't change a thing. <meta http-equiv="X-UA-Compatible" content="IE=8"> UPDATE- I'm trying to do this because our site has some IE9 specific CSS issues, which wouldn't appear in IE8. Thanks 回答1: You can use the document compatibility mode to do this, which is what you were trying.. However, thing to note is: It must appear in the Web page's header (the HEAD section) before all other elements, except for the title element and

Emulate IE7 for IE8 but not for IE9 using “X-UA-Compatible”

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问题 I have a website depending on vector drawing, for Internet Explorer I'm using VML and for other browsers I'm using SVG. IE8 however, doesn't have support for neither without falling back to IE7-mode which has VML. Therefore I'm including <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" /> . The problem (well, actually a good thing) is that IE9 now has support for SVG so I don't want it to fall back to IE7-mode which has much worse performance and compatibility. How do I tell only

Bad value X-UA-Compatible for attribute http-equiv on element meta

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问题 I have used the same meta that HTML5 Boilerplate is using, and the W3C HTML validator complains: Bad value X-UA-Compatible for attribute http-equiv on element meta. <meta http-equiv=\'X-UA-Compatible\' content=\'IE=edge,chrome=1\'> What is wrong with this meta tag? 回答1: Either X-UA-Compatible is not "standard" HTML (FSVO "standard" that involves appearing on a publicly editable wiki page referenced by the specification) or the Validator isn't up to date with the current status of that wiki.

How do I force Internet Explorer to render in Standards Mode and NOT in Quirks?

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问题 I am coding a Frontend which works well in IE7 Standards Mode and IE8 Standards Mode. When I start up Internet Explorer and load the page both IE7 and IE8 go to Quirks Mode directly. How can I force both IE7 and IE8 to always load the page in Standards Mode? I have no special meta tags added so far. Thanks for helping me out Edit: My doctype and head looks as follows at the moment: <!DOCTYPE html> <html lang=\"de\"> <head> <title>...</title> <meta http-equiv=\"X-UA-Compatible\" content=\"IE

X-UA-Compatible is set to IE=edge, but it still doesn't stop Compatibility Mode

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问题 I am quite confused. I should be able to set <meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\" /> and IE8 and IE9 should render the page using the latest rendering engine. However, I just tested it, and if Compatibility Mode is turned on elsewhere on our site, it will stay on for our page, even though we should be forcing it not to. How are you supposed to make sure IE does not use Compatibility Mode (even in an intranet)? FWIW, I am using the HTML5 DocType declaration ( <!doctype html