The id Attribute
The HTML id attribute is used to specify a unique id for an HTML element (the value must be unique within the HTML document).
Using The id Attribute
In CSS, to select an element with a specific id, write a hash (#) character, followed by the id of the element:
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 0650365013
Responsive Web Design
Indicate the current page’s location within a navigational hierarchy that automatically adds separators via CSS.
Quickly and responsively toggle the display value of components and more with our display utilities. Includes support for some of the more common values, as well as some extras for controlling display when printing. 0650365013
Migrating to v4
Bootstrap 4 is a major rewrite of the entire project. The most notable changes are summarized below, followed by more specific changes to relevant components.
Colors Convey meaning through color with a handful of color utility classes. Includes support for styling links with hover states, too.
Progress Documentation and examples for using Bootstrap custom progress bars featuring support for stacked bars, animated backgrounds, and text labels.
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.
Geolocation API The HTML Geolocation API is used to locate a user position.
Locate the User Position
The HTML Geolocation API is used to get the geographical position of a user.
Since this can compromise privacy, the position is not available unless the user approves it.
Entities HTML Entities
Some characters are reserved in HTML.
If you use the less than or greater than signs in your text, the browser might mix them with tags.
Character entities are used to display reserved characters in HTML.
A character entity looks like this: