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elements removed in the new features of html5: basefont, big, center, font, s, strike, tt, u, frame, frameset, noframes, acronym, applet, etc.
The operating environment of this tutorial: Windows 7 system, HTML5 version, Dell G3 computer.
What are the new features of html5 and which elements have been removed?
HTML5
is no longer a subset of SGML
, it is mainly about images, location, storage, multi-tasking and other functions Added
canvas
video
and audio
elements for media playbacklocalStorage
Long-term storage of data, the data will not be lost after the browser is closedsessionStorage
data will be automatically deleted after the browser is closedarticle
, footer
, header
, nav
, section
calendar
, date
, time
, email
, url
, search
webworker
, websocket
, Geolocation
Removed elements:
basefont
, big
, center
, font
, s
, strike,
tt
, u
Elements that negatively impact usability: frame
, frameset
, noframes
Confuses: acronym
, applet
, dir
##Define an acronym, please use the tag to replace it##Support## The #
The tag is used to set the default font size of the document Labels make larger text.
The tag horizontally centers the text it surrounds Tag definition directory list Specifies the size and font of the text and color
tag defines child window (frame)
method
You can use this feature to allow these browsers to support
Hold HTML5After the browser supports new tags, you still need to add the default style of the tag
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