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Bootstrap (formerly Twitter Bootstrap) is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains HTML , CSS and (optionally) JavaScript -based design templates for typography , forms , buttons , navigation , and other interface components.
The computer term bootstrap began as a metaphor in the 1950s. In computers, pressing a bootstrap button caused a hardwired program to read a bootstrap program from an input unit. The computer would then execute the bootstrap program, which caused it to read more program instructions.
It contains two checkboxes and a radio button. A popover is a container-type graphical control element that hovers over its parent window. It can contain various other graphical control elements such as checkboxes, radio buttons, or list boxes. Like any container-type graphical control element, it is meant to group elements that belong together.
Two notable and widely used examples are Bootstrap and Foundation. CSS frameworks offer different modules and tools: reset style sheet; grid especially for responsive web design; web typography; set of icons in sprites or icon fonts; styling for tooltips, buttons, elements of forms
The same hardware logic could be used to load the contents of a punch card (the most typical ones) or other input media, such as a magnetic drum or magnetic tape, that contained a bootstrap program by pressing a single button.
It uses the HTML element <kbd>...</kbd> (keyboard input) which exists for this purpose, and applies some styling to it, namely a faint grey background (borrowed from the related template {}) and slight CSS letter-spacing to suggest individually entered characters.
JavaScript code can use the Document Object Model (DOM), provided by the HTML standard, to manipulate a web page in response to events, like user input. Using a technique called AJAX , JavaScript code can also actively retrieve content from the web (independent of the original HTML page retrieval), and also react to server-side events as well ...
In computing, a button (sometimes known as a command button or push button) is a graphical control element that provides the user a simple way to trigger an event, like searching for a query at a search engine, or to interact with dialog boxes, like confirming an action.