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  2. Modal window - Wikipedia

    en.wikipedia.org/wiki/Modal_window

    Many features that would typically be represented by modal windows are implemented as modal transient panels called "Sheets" [9] on Mac OS X. Transient windows behave similarly to modal windows – they are always on top of the parent window and are not shown in the window list, but they do not disable the use of other windows in the application.

  3. DOM event - Wikipedia

    en.wikipedia.org/wiki/DOM_event

    click onclick Fires when the pointing device button is clicked over an element. A click is defined as a mousedown and mouseup over the same screen location. The sequence of these events is: mousedown; mouseup; click; Yes Yes dblclick ondblclick Fires when the pointing device button is double-clicked over an element Yes Yes mousedown onmousedown

  4. Pop-up ad - Wikipedia

    en.wikipedia.org/wiki/Pop-up_ad

    A hover ad or in-page pop-up uses JavaScript to combine a banner ad, and a pop-up window that appears in front of the browser screen. JavaScript imposes an advertisement over a webpage in a transparent layer. This advertisement can appear in a variety of forms. For example, an advertisement can contain an animation that links to the advertiser ...

  5. W3Schools - Wikipedia

    en.wikipedia.org/wiki/W3Schools

    W3Schools is a freemium educational website for learning coding online. [1] [2] Initially released in 1998, it derives its name from the World Wide Web but is not affiliated with the W3 Consortium. [3] [4] [unreliable source] W3Schools offers courses covering many aspects of web development. [5] W3Schools also publishes free HTML templates.

  6. JavaScript - Wikipedia

    en.wikipedia.org/wiki/JavaScript

    However, the language's concurrency model describes the event loop as non-blocking: program I/O is performed using events and callback functions. This means, for example, that JavaScript can process a mouse click while waiting for a database query to return information. [61] The notable standalone runtimes are Node.js, Deno, and Bun.

  7. Scrollbar - Wikipedia

    en.wikipedia.org/wiki/Scrollbar

    Examples of horizontal and vertical scrollbars around a text box Examples of vertical scrollbar at right end of Wikipedia home page. A scrollbar is an interaction technique or widget in which continuous text, pictures, or any other content can be scrolled in a predetermined direction (up, down, left, or right) on a computer display, window, or viewport so that all of the content can be viewed ...

  8. Modal verb - Wikipedia

    en.wikipedia.org/wiki/Modal_verb

    A modal verb is a type of verb that contextually indicates a modality such as a likelihood, ability, permission, request, capacity, suggestion, order, obligation, necessity, possibility or advice. Modal verbs generally accompany the base (infinitive) form of another verb having semantic content. [1]

  9. English modal auxiliary verbs - Wikipedia

    en.wikipedia.org/wiki/English_modal_auxiliary_verbs

    The English modal auxiliary verbs are a subset of the English auxiliary verbs used mostly to express modality, properties such as possibility and obligation. [a] They can most easily be distinguished from other verbs by their defectiveness (they do not have participles or plain forms [b]) and by their lack of the ending ‑(e)s for the third-person singular.