Editing HTML element (section)

==Non-standard elements==
{{Quote box
| width = 250px
| class = noprint
| quote = <div style="font-size: 100%; color:#FF00CC;">{{marquee|This is the new WikiPedia!}}</div>
| source = Example of marquee text from the [[first Wikipedia edit]] (accomplished via CSS; the &lt;marquee&gt; tag itself is deprecated and no longer works in most browsers)
}}
{{Quote box
| width = 250px
| class = noprint
| quote = {{blink|[[WP:UuU|UuU]]}}
| source = Example of blinking text (accomplished via CSS; the &lt;blink&gt; tag itself is deprecated and no longer works in most browsers) with link to page. Not to be confused with [[UwU]], this page contains the earliest surviving edit on the English Wikipedia.}}
This section lists some widely used obsolete elements, which means they are not used in [[Validator|valid]] code. They may not be supported in all user agents.

{{glossary}}
{{term|term=blink |content= {{XMLElement|blink|Blink|deprecated=1}} }}
{{defn|1= {{Main|Blink element}}
Causes text to blink. Introduced in imitation of the [[ANSI escape code]]s. Can be done with CSS where supported: {{code|lang=css|code={text-decoration: blink} }} (This effect may have negative consequences for people with [[photosensitive epilepsy]];<ref name="WCAG">{{cite web|url=http://www.w3.org/TR/WCAG10/|title=Web Content Accessibility Guidelines 1.0|first1=Wendy|last1=Chisholm|first2=Gregg|last2=Vanderheiden|first3=Ian|last3=Jacobs|publisher=World Wide Web Consortium|date=1999-05-05|access-date=2010-07-20}}</ref> its use on the public Internet should follow the appropriate guidelines.)}}
{{defn|{{code|lang=html|code=<blink>}} originated in [[Netscape Navigator]] and is mostly recognized by its descendants, including [[Firefox]]; '''deprecated''' or '''invalid''' in [[#HTML20|HTML 2.0]] and later. The replacement CSS tag, while standard, is not required to be supported.}}

{{term|term=layer |content= {{XMLElement|layer|Layer|deprecated=1}} }}
{{defn|1= {{Main|Layer element}}
Creates an absolute positioned and framed layer. Can be done with frames and/or CSS instead. There are attributes, including '''ID''', '''LEFT''', '''TOP''', '''PAGEX''', '''PAGEY''', '''SRC''', '''Z-INDEX''', '''ABOVE''', '''WIDTH''', '''HEIGHT''', '''BELOW''', '''CLIP''', '''VISIBILITY''' and '''CLIP'''.}}
{{defn|{{code|lang=html|code=<layer>}} originated in [[Netscape 4]]; '''deprecated''' or '''invalid''' in [[#HTML401|HTML 4.01]] and later.}}

{{term|term=marquee |content= {{XMLElement|marquee|Marquee|deprecated=1}} }}
{{defn|1= {{Main|Marquee element}}
Creates scrolling text. Can be done with scripting instead. (This effect may have negative consequences for people with [[photosensitive epilepsy]];<ref name="WCAG" /> its use on the public Internet should follow the appropriate guidelines.) There are three options, including '''Alternate''', '''Scroll''' and '''slide'''. '''Scrolldelay''' can also be added.}}
{{defn|{{code|lang=html|code=<marquee>}} originated in [[Microsoft Internet Explorer]]; '''deprecated''' or '''invalid''' in [[#HTML401|HTML 4.01]] and later.}}

{{term|term=nobr |content= {{XMLElement|nobr|No Break|deprecated=1}} }}
{{defn|1= Causes text to not break at end of line, preventing word wrap where text exceeds the width of the enclosing object. Adjacent text may break before and after it. Can be done with CSS: {{code|lang=css|code={white-space: nowrap;} }}}}
{{defn|{{code|lang=html|code=<nobr>}} is a proprietary element which is recognized by most browsers for compatibility reasons; '''deprecated''' or '''invalid''' in [[#HTML20|HTML 2.0]] and later.}}

{{term|term=noembed |content= {{XMLElement|noembed|Embed Fallback|deprecated=1}} }}
{{defn|1= Specifies alternative content, if the embed cannot be rendered. Replaced by the content of the {{code|lang=html|code=<embed>}} or {{code|lang=html|code=<object>}} element.}}
{{glossary end}}