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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.
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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 ...
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This template internally uses mw:Extension:SyntaxHighlight, which is considered an 'expensive parser function' (see WP:EXPENSIVE). If used on a page which uses more than 500 expensive parser functions, the output of subsequent uses of this template will be presented using <code>...</code> formatting (without any syntax highlighting) instead.
When {{Parameter names example}} is used on an immediate subpage of its target template – e.g. on the target template's /doc page – its own |_template= parameter identifying the target template may be omitted. In other words, the code above, if used on Template:Infobox/page (where page could be "doc", "testcases", etc.), would become:
A contact page is a common web page on a website for visitors to contact the organization or individual providing the website. [1] The page contains one or more of the following items: an e-mail address; a telephone number; a postal address, sometimes accompanied with a map showing the location; links to social media; a contact form for a text ...
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.