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To demonstrate specificity Inheritance Inheritance is a key feature in CSS; it relies on the ancestor-descendant relationship to operate. Inheritance is the mechanism by which properties are applied not only to a specified element but also to its descendants. Inheritance relies on the document tree, which is the hierarchy of XHTML elements in a page based on nesting. Descendant elements may ...
A drop-down list or drop-down menu or drop menu, with generic entries. A drop-down list (DDL), drop-down menu or just drop-down [1] – also known as a drop menu, pull-down list, picklist – is a graphical control element, similar to a list box, that allows the user to choose one value from a list either by clicking or hovering over the menu ...
When a person wanted to type a table (of numbers or text) on a typewriter, there was a lot of time-consuming and repetitive use of the space bar and backspace key. To simplify this, a horizontal bar was placed in the mechanism called the tabulator rack. Pressing the tab key would advance the carriage to the next tabulator stop. The original ...
The bar's shaded thumb showed the percentage of content visible and was controlled by the middle button. The left button scrolled up to move the selected position to the top edge of the window, and the right button scrolled down to move the top edge of the window to the selected position. [6]
A plain text text entry form, by contrast, may use a simpler method, setting a fixed and arbitrary display width within which the caret always ‘wraps around’, only scrolling up or down a line as the caret reaches the wrap point at the start/end of the current first/last line, in order to keep the edit point in view as it moves to the ...
Typically, websites will have a primary navigation bar [4] and sometimes secondary navigation bar on all pages. These webpage sections will include links to the most important sections of the site. The implementation and design of navigation bars is a crucial aspect of web design and web usability.
The basic sequence involved in drag and drop is: Move the pointer to the object; Press, and hold down, the button on the mouse or other pointing device, to "grab" the object "Drag" the object to the desired location by moving the pointer to this one "Drop" the object by releasing the button
The Page Up and Page Down keys among other keys. The Page Up and Page Down keys (sometimes abbreviated as PgUp and PgDn) are two keys commonly found on computer keyboards. The two keys are primarily used to scroll up or down in documents, but the scrolling distance varies between different applications. In word processors, for instance, they ...