Supported In Both HTML4 & HTML5
<!–…–> – specifies a comment.
<a> – specifies a hyperlink.
New to HTML5
<article> - specifies an article.
<aside> – specifies content aside from the page content.
<audio> – specifies sound content.
<canvas> – defines graphics.
<command> – specifies a command.
Not Supported In HTML5
<acronym> - was used to define acronyms in HTML 4. An acronym can be spoken as if it were a word, example NATO, NASA, ASAP, GUI.
<applet> - was used to define an embedded applet. You can use the<object> Tag instead of it now!
<basefont> - was used to define a default font-color, font-size, or font-family for all the text in a document. But we can use CSS for this purpose now!
<big> – was used to make text bigger.
<center> - was used to center align text and content. We can use CSS for this purpose now.
<dir> - was used to define a directory list. But we can still use the <ol> and <ul> Tags.
<font> - was used to define font face, font size, and font color of text. It was among the most used tags in HTML 4 but we have to use CSS for this purpose now.
<frame> - was used to define one particular window (frame) within a frameset.
Sources: HTML5 Doctor | Quackit | Tech-Freak Stuff
Note – This is very much a work in progress, so if you have any suggestions/comments, feel free to post them!
