Forcing Internet Explorer 9 to use standards document mode

Question

How can I force Internet Explorer 9 to use standards document mode  I built a website and I m finding that IE9 uses quirks mode to render the website pages  But I want to use standards mode for rendering

User · Answer

put a doctype as the first line of your html document    lt  DOCTYPE html gt     you can find detailed explanation about internet explorer document compatibility here  Defining Document Compatibility

User · Answer

lt  DOCTYPE html gt   lt html lang  en  gt   lt head gt       lt meta http-equiv  X-UA-Compatible  content  IE edge    gt    The meta tag must be the first tag after the head tag or it will not work

User · Answer

To prevent quirks mode  define a  doctype  like     lt  DOCTYPE html PUBLIC  -  W3C  DTD HTML 4 01  EN   http   www w3 org TR html4 strict dtd  gt    To make IE render the page in IE9 document mode     lt meta http-equiv  x-ua-compatible  content  IE 9  gt    Please note that  IE edge  will make IE render the page with the most recent document mode  rather than IE9 document mode

User · Answer

I tried with an alternate method   Hit F12 key Then  at right hand side in the drop down menu  select internet explorer version 9   That s it and it worked for me

User · Answer

Make sure you use the right doctype   eg    lt  DOCTYPE html PUBLIC  -  W3C  DTD HTML 4 01  EN   http   www w3 org TR html4 strict dtd  gt    or just   lt  doctype html gt   and also read and understand how compatibility modes and developer toolbar for IE work and set modes for IE

User · Answer

Make sure you take into account that adding this tag    lt meta http-equiv  X-UA-Compatible  content  IE Edge  gt    may only allow compatibility with the latest versions  It all depends on your libraries

User · Answer

There is something very important about this thread that has been touched on but not fully explained   The HTML approach  adding a meta tag in the head  only works consistently on raw HTML or very basic server pages   My site is a very complex server-driven site with master pages  themeing and a lot of third party controls  etc   What I found was that some of these controls were programmatically adding their own tags to the final HTML which were being pushed to the browser at the beginning of the head tag  This effectively rendered the HTML meta tags useless   Well  if you can t beat them  join them   The only solution that worked for me is to do exactly the same thing in the pre-render event of my master pages as such   Private Sub Page PreRender ByVal sender As Object  ByVal e As System EventArgs  Handles Me PreRender     Dim MetaTag As HtmlMeta   New HtmlMeta       MetaTag Attributes  http-equiv      Content-Type      MetaTag Attributes  content      text html  charset utf-8       Page Header Controls AddAt 0  MetaTag       MetaTag   New HtmlMeta       MetaTag Attributes  http-equiv      X-UA-Compatible      MetaTag Attributes  content      IE 9 chrome 1      Page Header Controls AddAt 0  MetaTag  End Sub   This is VB NET but the same approach would work for any server-side technology   As long as you make sure it s the last thing that gets done right before the page is rendered

User · Answer

lt  doctype html gt    lt meta http-equiv  X-UA-Compatible  content  IE Edge  gt    This makes each version of IE use its standard mode  so IE 9 will use IE 9 standards mode   If instead you wanted newer versions of IE to also specifically use IE 9 standards mode  you would replace Edge by 9  But it is difficult to see why you would want that    For explanations  see http   hsivonen iki fi doctype  ie8  it looks rather messy  but that   s because IE is messy in its behaviors

User · Answer

I have faced issue like my main page index jsp contains the below line but eventhough rendering was not proper in IE  Found the issue and I have added the code in all the files which I included in index jsp  Hurray  it worked   So You need to add below code in all the files which you include into the page otherwise it wont work        lt  doctype html gt       lt head gt         lt meta http-equiv  X-UA-Compatible  content  IE Edge  gt       lt  head gt

[html] Forcing Internet Explorer 9 to use standards document mode

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