What tags are abandoned by html5

The tags abandoned in HTML5 are: frame, frameset, noframes, font, center, basefont, big, strike, tt, u, s, acronym, applet, dir, etc.

The operating environment of this tutorial: Windows 10 system, HTML5 version, Dell G3 computer.

What tags were abandoned by html5

The following HTML 4.01 elements have been deleted in HTML5. Although browsers still support these tags for compatibility reasons, it is recommended to use new alternative tags , the paradox is that old browsers do not have enough support for new tags, depending on the audience of the project.

Category 1: Expressive elements

• basefont

• ##big

# #center
font
s

• ##strike

• tt

• u

• #It is recommended to replace them with semantically correct elements and use CSS to ensure the effect after rendering

Second Category: Frame Elements

Because frames have many usability and accessibility issues, the HTML5 specification removes the following elements.

frame

• frameset

• ##noframes

• But html5 supports iframe.

Third Category: Attribute Class

Many expressive attributes have also been removed by the new specification, as follows:

align

• The link, vlink, alink, and text attributes on the body tag

• bgcolor

• height and width

• scrolling attribute on iframe element

• valign

• hspace and vspace

• The cellpadding, cellspacing and border attributes on the table tag

• The profile attribute on the header tag

• The link tag a target attribute

• img and longdesc attribute of iframe element

• Category 4: Others

abbr replaces acronym (used to represent abbreviations)

• object replaces applet

• ul replaces dir

• Recommended tutorial: "

  html video tutorial
"

The above is the detailed content of What tags are abandoned by html5. For more information, please follow other related articles on the PHP Chinese website!