HTML <sub> Element. The HTML <sub> element defines subscript text. Subscript text appears half a character below the normal line, and is sometimes rendered in a smaller font. Subscript text can be used for chemical formulas, like H 2 O:

This cheat sheet - or HTML code quick reference - lists the common HTML tags and their attributes, grouped into relevant sections in an easy-to-read format. What is html? What are tags? - Perhaps check out where to start or what is html first :-)

Aug 8, 2018 · You're right, there is no data-format attribute in HTML5. However, HTML5 is designed to allow some arbitrary attributes to provide some extensibility. These are the data-* attributes. These can be accessed by javascript to help enhance the presentation or, likely in this case, provide validation rules, or other behaviour.

Before looking at the various formats of date and time related strings used by HTML elements, it is helpful to understand a few fundamental facts about the way they're defined. HTML uses a variation of the ISO 8601 standard for its date and time strings.

HTML tables allow web developers to arrange data into rows and columns. A table in HTML consists of table cells inside rows and columns. A simple HTML table: Each table cell is defined by a <td> and a </td> tag. td stands for table data. Everything between <td> and </td> is the content of a table cell.

data-* attribute gives us the ability to embed custom data attributes on all HTML elements. The stored (custom) data can then be used in the page's JavaScript to create a more engaging user experience (without any Ajax calls or server-side database queries). Note: Custom attributes prefixed with "data-" will be completely ignored by the user agent.

Feb 21, 2011 · Are there any out of the box solutions to have conditional formatting of HTML tables? With conditional formatting I am more interested in having different colors as cell background depending on the value (numeric) of that or some other column (in the same table).

Oct 17, 2024 · HTML text formatting refers to the use of specific HTML tags to modify the appearance and structure of text on a webpage. It allows you to style text in different ways, such as making it bold, italic, underlined, highlighted, or struck-through. HTML text formatting can be divided into two main categories: Logical Tags and Physical Tags. 1.

Learn how to format text in HTML with this detailed guide. Includes examples of headings, lists, links, images, and CSS for beginners.

This free online HTML formatter and validator lets you chose your indentation level and also lets you export to file