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The id attribute provides a document-wide unique identifier for an element. [ 7 ] [ 8 ] [ 9 ] This can be used as CSS selector to provide presentational properties, by browsers to focus attention on the specific element, or by scripts to alter the contents or presentation of an element.
An HTML element is a type of HTML (HyperText Markup Language) document component, one of several types of HTML nodes (there are also text nodes, comment nodes and others). [vague] The first used version of HTML was written by Tim Berners-Lee in 1993 and there have since been many versions of HTML.
It is considered better practice to use an element's id or class attributes to select the element from within a stylesheet, though sometimes this can be too cumbersome for a simple, specific, or ad hoc styling. The title attribute is used to attach a subtextual explanation to an element. In most browsers this attribute is displayed as a tooltip.
Event bubbling is a type of DOM event propagation [1] where the event first triggers on the innermost target element, and then successively triggers on the ancestors (parents) of the target element in the same nesting hierarchy till it reaches the outermost DOM element or document object [2] (Provided the handler is initialized).
Multiple simple selectors may be joined using combinators to specify elements by location, element type, id, class, or any combination thereof. [8] The order of the selectors is important. For example, div . myClass { color : red ;} applies to all elements of class myClass that are inside div elements, whereas . myClass div { color : red ...
In fact, the MIND diet actually “combines elements of the Mediterranean diet and the DASH diet,” Castro explains, adding that it has a “stronger focus on brain health.”
p-personal – id for the list of user-related links above the main content (username, talk, etc.), top. p-logo – id for the block that contains the logo, top left. p-navigation – id for the block that contains the navigation links on the left of the page; p-search – the block that contains the search buttons