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React creates an in-memory data-structure cache, computes the resulting differences, and then updates the browser's displayed DOM efficiently. [31] This process is called reconciliation. This allows the programmer to write code as if the entire page is rendered on each change, while React only renders the components that actually change.
When then viewing the page, {{foo}} is automatically replaced by the content of the page "Template:foo". If the page "Template:foo" is later altered, all the pages with {{foo}} in them will change automatically. Among other things, templates are used to add recurring messages to pages in a consistent way, to add boilerplate messages, and to ...
This work is free software; you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation; either version 3 of the License, or any later version. This work is distributed in the hope that it will be useful, but without any warranty; without even the implied ...
Note: Prefer images in landscape orientation. If you must use one in portrait orientation, avoid very skinny ones. If you must choose a skinny image, then please specify the height as well (e.g., 120x120), but note that if you do so, there will be a gap between left or right edge of the image (depending on the what side of the container the template appears) and the edge of the section.
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This is a dummy article to help you get started with creating pages in the wiki; please copy the code to a different page and edit it there. The first paragraph is usually a short dictionary-style definition of the subject matter.
Before doing changes to a template it can be good to first copy the template code to a sandbox and run some testcases, since the template might be visible on thousands or even millions of pages. If you create subpages named exactly " /sandbox " and " /testcases " to a template then the green {{documentation}} box on the template auto-detects ...
In MediaWiki, templates cannot automatically handle an unknown or unlimited number of parameters. Each possible parameter usually has to be predefined in the template code. For example, a template might be set up to use three specific parameters, such as 1, 2, and 3. If someone includes additional parameters beyond those, they will not affect ...