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A proxy auto-config (PAC) file defines how web browsers and other user agents can automatically choose the appropriate proxy server (access method) for fetching a given URL. A PAC file contains a JavaScript function FindProxyForURL(url, host). This function returns a string with one or more access method specifications.
The PHP language has a directive which, if enabled, allows filesystem functions to use a URL to retrieve data from remote locations. [1] The directive is allow_url_fopen in PHP versions <= 4.3.4 and allow_url_include since PHP 5.2.0. In PHP 5.x this directive is disabled by default, in prior versions it was enabled by default. [2]
Ajax (also AJAX / ˈ eɪ dʒ æ k s /; short for "asynchronous JavaScript and XML" [1] [2]) is a set of web development techniques that uses various web technologies on the client-side to create asynchronous web applications.
A JavaScript library is a library of pre-written JavaScript code that allows for easier development of JavaScript-based applications, [1] especially for AJAX and other web-centric technologies. [2] They can be included in a website by embedding it directly in the HTML via a script tag.
In the JSONP usage pattern, the URL request pointed to by the src attribute in the <script> element returns JSON data, with JavaScript code (usually a function call) wrapped around it. This "wrapped payload" is then interpreted by the browser. In this way, a function that is already defined in the JavaScript environment can manipulate the JSON ...
In languages with restricted identifier length, the use of prefixes limits the number of characters that can be used to identify what the function does; this is a particular problem for packages originally written in FORTRAN 77, which offered only 6 characters per identifier; for example, the name of the BLAS function DGEMM indicates that it ...
The Velocity library is a single JavaScript file containing all of its core functions. It can be included within a web page by linking to a local copy or to one of the many copies available from public servers, including MaxCDN 's jsDelivr or Cloudflare 's cdnjs .
In the 'Name' field, enter a descriptive name for your bookmarklet to help you identify its function. In the 'URL' field, paste the JavaScript code provided for the bookmarklet. Ensure that it starts with javascript: followed by the code snippet. Save the Bookmark: Click 'Save' or 'Done' to add the bookmarklet to your bookmarks bar or folder.