Which tags did html5 discard?
Editor to share with you which tags html5 abandoned, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!
Tags that have been discarded in html5 are: frame, frameset, noframes, font, center, basefont, big, strike, tt, u, s, acronym, applet, dir and so on.
The operating environment of this tutorial: windows10 system, HTML5 version, Dell G3 computer.
What tag was abandoned by html5?
The following HTML 4.01elements have been deleted in HTML5. Although browsers still support these tags for compatibility reasons, it is recommended to use new alternative tags. Paradoxically, the old browser does not have enough support for the new tags, depending on the audience of the project.
The first category: 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 of rendering
The second category: frame class elements
Due to many usability and accessibility issues with the framework, the HTML5 specification removes the following elements.
Frame
Frameset
Noframes
However, html5 supports iframe.
The third category: attribute class
Many expressive attributes have also been removed by the new specification, as follows:
Align
Link, vlink, alink, text attributes on the body tag
Bgcolor
Height and width
The scrolling attribute on the iframe element
Valign
Hspace and vspace
Cellpadding, cellspacing, and border attributes on the table tag
The profile attribute on the header tag
The target attribute on link label a
Longdesc attribute of img and iframe elements
Category IV: other
Abbr replaces acronym (used for abbreviations)
Object replaced applet.
Ul replaced dir.
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