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This template's initial visibility currently defaults to collapsed, meaning that it is hidden apart from its title bar.. To change this template's initial visibility, the |state= parameter may be used:
Simply printing (echoing) user input to the browser without checking it first is something that should be avoided in secure forms processors: if a user entered the JavaScript code < script > alert (1)</ script > into the firstname field, the browser would execute the script on the form_handler.php page, just as if it had been coded by the ...
This template provides a "clickable button" formatting style for text. This button is not clickable , and care should be taken when using it to avoid readers thinking the result may be. (It has an explanatory tooltip for users hovering over it, but that may not always be displayed, or only displayed after too long a delay, so that it may not ...
The code CSS is non-XML syntax to define the style information for the various elements of the document that it styles. The language to structure a document (markup language) is a prelimit to CSS. A markup language, like HTML and less XUL, may define some primitive elements to style a document, for example <emphasis> to bold.
HTML attributes are special words used inside the opening tag to control the element's behaviour. It is a piece of markup language used to adjust the behavior or display of an HTML element.HTML attributes are a modifier of a HTML element type. An attribute either modifies the default functionality of an element type or provides functionality to ...
In XHTML and HTML, the <var> element has semantic meaning, while simple italicization does not. This template provides a tiny hint of kerning to compensate for the italicization and enhance readability. "Variable" in this sense may include arbitrary or unknown names or terms, examples of human input, arithmetical variables in equations, etc.
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Tagging a (hexa)decimal code with the template {} will enable future editors to review the page, and to Unicodify the character if it is included in future expansions of Unicode. This happened, for example, at strident vowel, where a non-Unicode symbol for the sound was used in the literature and added to the PUA of SIL's IPA fonts. Unicode ...