Which elements are obsolete in html5

青灯夜游
Release: 2021-12-16 17:16:02
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html5 Obsolete elements: basefont, big, center, font, s, strike, tt, u, frame, frameset, noframes, align, vlink, alink, text, bgcolor, valign, hspace, etc.

Which elements are obsolete in html5

The operating environment of this tutorial: Windows 7 system, HTML5 version, Dell G3 computer.

HTML5 obsolete elements

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

Due to many usability and accessibility issues with the framework, the HTML5 specification has removed the following elements.

  • frame

  • frameset

  • ##noframes

But html5 supports iframe.

The third category: attribute class

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

  • align

  • The link, vlink, alink, 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 target attribute on link tag a

  • The longdesc attribute of img and iframe elements

Category 4: Others

  • abbr replaces acronym (used to represent abbreviation)

  • object replaces applet

  • ul replaces dir

Recommended tutorial: "

html video tutorial"

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