What is HTML?
HTML stands for Hyper Text Markup Language
HTML describes the structure of a Web page
HTML consists of a series of elements
HTML elements tell the browser how to display the content
HTML elements are represented by tags
HTML tags label pieces of content such as "heading", "paragraph", "table", and so on
Browsers do not display the HTML tags, but use them to render the content of the page
HTML Versus XHTML
XHTML is a stricter, more XML-based version of HTML.
What is XHTML?
XHTML stands for EXtensible HyperText Markup Language
XHTML is a stricter, more XML-based version of HTML
XHTML is HTML defined as an XML application
XHTML is supported by all major browsers
XML is a markup language where all documents must be marked up correctly (be "well-formed").
XHTML was developed to make HTML more extensible and flexible to work with other data formats (such as XML). In addition, browsers ignore errors in HTML pages, and try to display the website even if it has some errors in the markup. So XHTML comes with a much stricter error handling
This chapter describes the different attributes for the HTML form input element.
The value Attribute
The input value attribute specifies an initial value for an input field
A grid container contains grid items.
By default, a container has one grid item for each column, in each row, but you can style the grid items so that they will span multiple columns and or rows. 0651815995
Bootstrap includes a wide range of shorthand responsive margin and padding utility classes to modify an element’s appearance.
Attributes All HTML elements can have attributes
Attributes provide additional information about an element
Attributes are always specified in the start tag
Attributes usually come in name/value pairs like: name="value"
Bookmarks with ID and Links HTML bookmarks are used to allow readers to jump to specific parts of a Web page.
Bookmarks can be useful if your webpage is very long.
To make a bookmark, you must first create the bookmark, and then add a link to it.
When the link is clicked, the page will scroll to the location with the bookmark.
Conditional Rendering In React, you can create distinct components that encapsulate behavior you need. Then, you can render only some of them, depending on the state of your application.
Form Elements This chapter describes all the different HTML form elements.
The input Element
One of the most used form element is the input element.
The input element can be displayed in several ways, depending on the type attribute.
HTML Symbol Entities HTML entities were described in the previous chapter.
Many mathematical, technical, and currency symbols, are not present on a normal keyboard.
To add such symbols to an HTML page, you can use an HTML entity name.
If no entity name exists, you can use an entity number, a decimal, or hexadecimal reference.
Grid Container To make an HTML element behave as a grid container, you have to set the display property to grid or inline-grid.
Grid containers consist of grid items, placed inside columns and rows.