work, and the CSS read step is from top to bottom. Therefore, IE6 cannot be recognized when reading 「! Important directly jumps to the next line to read CSS, so the background color is orange.
8. Differences between IE6 and Firefox
[Difference symbol ]:「_」[Example ]:# Tip {Background: black;/* the Firefox background turns black */_ Background: orange;/* change the IE6 background to orange */}[Note]: IE6 can recognize "_" (bottom line), but Firefox cannot. Therefore, Firefox and IE6 can be separ
Firefox 3.1.
2. CSS compatibility issues
IE8 is designed to be fully compatible with css2.1. Microsoft said they will also support some css3 functions. However, the following test shows a problem:
CSS 3 testing
The following is the result of the test on www.css3.info. This test site is used to
of the HTML document:Html>The Great God's post summarizes the reasons for Bootstrap's search, first of all, BOOTSTRAP3Is the principle of mobile device first development, so the reasons may be as follows:1. Remote address is not correctly invokedThat is, as long as the IE9 below, call two dedicated JSShim and Respond.js IE8 support of HTML5 elements and media queries-But I test found that only using the ab
is too bad. Therefore, the program does not know how to handle the judgment. I have read the code of the two authors. Although it is well written, it has limitations. Now that you know the cause of the problem, you can do it yourself:Try {Eval (element. yuseronclick + "anonymous ()");}Catch (error){Eval (element. yuseronclick + "onclick (event )");}Test again after writing, OK, normal, haha !! No matter whether it is IE7 or
Ie8 supports ajax. in ie8, if the verification code is entered correctly or incorrectly. Other browsers (Firefox, Aoyou) are good, and colleagues can run IE8. I can't clear all my ie8 cookies or plug-ins. Excuse me, what's the problem? This is the ajax code: varauth quot; nbsp; functioncheckForm () {varcheckdoc
IE no load mode to see if the problem is resolved.
If you open IE8 without add-ins to solve the problem, this can be a problem caused by an add-in, and continue with the following steps to troubleshoot the add-in.
Open IE8, select Tools menu → manage add-ins, open the Manage add-in, click Toolbars and extensions on the left, and then disable the
After the official version of Microsoft IE8 was just released, Computerworld conducted a sunspider Benchmark Test on its JavaScript rendering. The results show that the official version of IE8 is still the slowest compared with opera, Safari, Firefox and chrome.
Although Microsoft said earlier that IE8 is much faster
Standard Reference
According to the description in section 8.3 of W3C css2.1 specification, the margin attribute sets the width of the margin area of a box. The 'margin 'abbreviation attribute sets the margins of all four sides, while other margin attributes ('margin-top', 'margin-right ', 'margin-bottom' and 'margin-left') only set the margins on the side they represent.
The value of the margin attribute can be one of the following nominal values:
Specify a fixed width.
The percentage is cal
using the IE7 kernel, not the IE6 kernel. So, the best way is to have a IE6 green version of the good. In this way, the system defaults to IE8, then IE6 and IE7 with green. The green version of the IE7 has been,. And the green version of IE6 is actually some, of course, here will also provide download-Click here to download IE6 Green Edition
This makes use of the IE6 Green, IE7 Green, and IE8 installation
First of all, thanks to"Wanzi"CSS hack provided by IE8;
Those who have followed IE8's CSS hack believe that everyone is using this hack, which is the CSS hack of "\ 9:
. Test {Color: #000000;/* ff, OP supported */Color: # 0000ff \ 9;/* all IE browsers (IE6 +) support; however, IE8 cannot recognize "*" and "_"
); document.body.removeChild(node); }
Note:
* If you use span to replace img, there will be no leakage.
These examples only leak memory in IE8. I have tested IE8 in Windows XP, Windows Vista, Windows Server 2008, Windows Server 2008 R2, and Windows 7, in addition, IE7 compatibility mode and standard mode in IE8 are used, which will be disclosed in every case.
Today, IE8 Beta 1 is installed on the XP SP2 system. The topic of this log is a bit of experience and opinions on IE8 web standards.
As a developer and designer, I was particularly excited when I heard that IE8 uses the real standard mode to render webpages by default. Let's look at IE8's performance from a user's pe
which will be compromised.
Test page
About leaks
Memory size increases over time, but this does not directly cause the browser to crash. The memory used by the browser seems to be capped, and it appears to restrict the memory used by DHTML from some internal means.
When the memory reaches the upper limit, the browser automatically handles it, such as a pop-up dialog box, showing insufficient memory.
The same problem with the IFRAME was found on
attribute of the selected element in the developer tool, they are all temporarily debugging and will not be modifying the source code of Your webpage.Disable menu
Script]
Page JavaScript or VBScript scripts are prohibited. Why disable it? To test the page robustness. Some customers with high page design requirements will ask: "If the user disables the script, can this page still be used ?" Well, yes, this function is used to
Ie8 supports ajax. in ie8, if the verification code is entered correctly or incorrectly. Other browsers (Firefox, Aoyou) are good, and colleagues can run IE8. I can't clear all my ie8 cookies or plug-ins. Excuse me, what's the problem? This is the ajax code: varauth = quot; ie8
First attach a document: IE6 IE7 IE8 hack test official documentation: http://msdn.microsoft.com/en-us/library/cc351024 (vs.85). aspx
There have been many ways to make IE6 support transparent PNG on the Internet. However, the problem is that IE7 and IE8 are annoying now, and those methods are not compatible with new browsers (including repeated rendering, such a
as obtaining the user's cookie information) may be parsed and executed. You can use some proven security-proven solutions, such as json.parse () or Jquery.parsejson () in Json2.js.See Knowledgebase
...
Related issues
SJ9006: In IE6 IE7 IE8 (Q) cannot add ', ' after the last key value of the JSON direct amount
Test environment
Operating system version:
Window
The day before yesterday, Microsoft in IE8 Beta2 recommended, last night on the download of the latest version of the test, before the introduction of BETA1 also used to find their own site in Beta1 not normal to remove him back to the IE7, the most dead browser quarrel, Microsoft IE8 Beta2 just launched, Rival Google then released his browser products today, jus
Generally speaking, when we write a better structure, there is no difference between ie8/9. So few people can focus on CSS hack that only IE8 or IE9 recognize.Because IE8 and the following version is not supported CSS3, but if we use CSS3, under IE IE9 Normal rendering, but we want to let IE8 and the following browser
As a developer, the front page is often required to be compatible with IE8 and above, so sometimes we want IE to open our page in IE8 version by default.1. "Document Mode":Add code similar to the following in the HTML page:metahttp-equiv="X-UA-Compatible" content="IE=EmulateIE7">
X-ua-compatible value
Description
Ie=5
Let the browser use Quirks mode to show that the con
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