HTML <abbr> tag
HTML <abbr> tag is used to represent an acronym or abbreviation of a longer word or phrase, such as www, HTML, HTTP, etc. The content written between <abbr> tags renders with dotted underline in some browser.
This tag can be used with "title" attribute (optional), and the value of title attribute will be pop-up when the mouse hovers over the content written between <abbr> tag.
Following are some specifications about the HTML <abbr> tag
With title Attribute:Test it Now
Without title Attribute:Test it Now
The <abbr> tag supports the global attributes.
The <abbr> tag supports the event attributes.