Which elements are obsolete in html5

html5 Obsolete elements: basefont, big, center, font, s, strike, tt, u, frame, frameset, noframes, align, vlink, alink, text, bgcolor, valign, hspace, etc.

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

The third category: attribute class

• 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

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