Technique used by web browsers to maintain backwards compatibility with older web pages
HTML
Dynamic HTML
HTML5
article
audio
canvas
video
XHTML
Basic
Mobile Profile
HTML element
meta
div and span
blink
marquee
HTML attribute
alt attribute
HTML frame
HTML editor
Character encodings
named characters
Unicode
Language code
Document Object Model
Browser Object Model
Style sheets
CSS
Font family
Web colors
JavaScript
WebCL
Web3D
WebGL
WebGPU
WebXR
W3C
Validator
WHATWG
Quirks mode
Web storage
Rendering engine
Comparisons
Document markup languages
Comparison of browser engines
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In computing, quirks mode is an approach used by web browsers to maintain backward compatibility with web pages designed for old web browsers, instead of strictly complying with web standards in standards mode. This behavior has since been codified, so what was previously standards mode is now referred to as simply no quirks mode.
into tables in quirksmode. A third compatibility mode known as "limited quirksmode" (previously, "almost standards mode" or "strict mode"), which maintains...
browsers, the doctype helps to define the rendering mode—particularly whether to use quirksmode. The original purpose of the doctype was to enable the...
three modes: "Quirks," "Strict," and "Standard." When there is an old DOCTYPE or when there is no DOCTYPE, IE renders it like IE5 would (quirksmode). When...
IE6 introduced quirksmode, which causes it to emulate many behaviors of IE 5.5. Rather than being activated by the user, quirksmode is automatically...
layout mode, such as "quirksmode" or "standards mode". The text/html serialization of HTML5, which is not SGML-based, uses the DOCTYPE only for mode selection...
Pennsylvania-based publishing company Quirksmode, a web browser technique for maintaining backwards compatibility Quirks (board game) Quirks, the superpower system...
backward-compatible mode of CSS interpretation ("quirksmode") alongside an alternative, corrected "standards mode". Other non-Microsoft browsers also provided mode-switch...
Internet Explorer uses DOCTYPE sniffing to choose between standards mode and a "quirksmode" in which it deliberately mimics nonstandard behaviors of old versions...
white-space – before the doctype will cause Internet Explorer 6 to use quirksmode for the HTML page. None of the doctype information will be processed...
implementing of the blink tag in HTML, the Apple IIe had a flashing text mode, alternating between standard white-on-black and inverse black-on-white text...
HTAs are rendered as per "standards-mode content in IE7 Standards mode and quirksmode content in IE5 (Quirks) mode", but this can be altered using X-UA-Compatible...
ISBN 978-1-4302-5092-0. S2CID 20526670. Retrieved May 30, 2022. JavaScript/DHTML QuirksMode, a comprehensive site with test examples and instructions on how to write...
rendering behavior of Internet Explorer 5.x lives on in other browsers' quirksmodes. Internet Explorer 5 is no longer available for download from Microsoft...
omitting optional tags, but defaults to not doing so. Overlapping markup Quirksmode G. Ken Holman. Re: [xml-dev] What is Tag Soup?, XML development mailing...
Firefox, like other browsers, has a quirksmode. This mode attempts to mimic Internet Explorer's quirksmodes, which equates to using obsolete rendering...
re-render the scene. Canvas objects, on the other hand, are drawn in immediate mode. In the canvas example above, the rectangle draw operation modifies the canvas...
declaration is necessary. Internet Explorer prior to version 7 enters quirksmode, if it encounters an XML declaration in a document served as text/html...
name="description" content="The Federal Aviation Administration is an operating mode of the U.S. Department of Transportation."> In this example, the meta element...
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