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  2. Cross-origin resource sharing - Wikipedia

    en.wikipedia.org/wiki/Cross-origin_resource_sharing

    Path of an XMLHttpRequest (XHR) through CORS. For HTTP requests made from JavaScript that can't be made by using a <form> tag pointing to another domain or containing non-safelisted headers, the specification mandates that browsers "preflight" the request, soliciting supported methods from the server with an HTTP OPTIONS request method, and ...

  3. Document Object Model - Wikipedia

    en.wikipedia.org/wiki/Document_Object_Model

    XML for <SCRIPT> is a JavaScript-based DOM implementation [16] PHP.Gt DOM is a server-side DOM implementation based on libxml2 and brings DOM level 4 compatibility [17] to the PHP programming language; Domino is a Server-side (Node.js) DOM implementation based on Mozilla's dom.js. Domino is used in the MediaWiki stack with Visual Editor.

  4. JSONP - Wikipedia

    en.wikipedia.org/wiki/JSONP

    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 ...

  5. Cross-site scripting - Wikipedia

    en.wikipedia.org/wiki/Cross-site_scripting

    The methods of injection can vary a great deal; in some cases, the attacker may not even need to directly interact with the web functionality itself to exploit such a hole. Any data received by the web application (via email, system logs, IM etc.) that can be controlled by an attacker could become an injection vector.

  6. Same-origin policy - Wikipedia

    en.wikipedia.org/wiki/Same-origin_policy

    In computing, the same-origin policy (SOP) is a concept in the web-app application security model.Under the policy, a web browser permits scripts contained in a first web page to access data in a second web page, but only if both web pages have the same origin.

  7. JavaScript - Wikipedia

    en.wikipedia.org/wiki/JavaScript

    JavaScript (/ ˈ dʒ ɑː v ə s k r ɪ p t /), often abbreviated as JS, is a programming language and core technology of the Web, alongside HTML and CSS. 99% of websites use JavaScript on the client side for webpage behavior. [10] Web browsers have a dedicated JavaScript engine that executes the client code.

  8. React (software) - Wikipedia

    en.wikipedia.org/wiki/React_(software)

    React (also known as React.js or ReactJS) is a free and open-source front-end JavaScript library [5] [6] that aims to make building user interfaces based on components more "seamless". [5] It is maintained by Meta (formerly Facebook) and a community of individual developers and companies.

  9. XMLHttpRequest - Wikipedia

    en.wikipedia.org/wiki/XMLHttpRequest

    XMLHttpRequest (XHR) is an API in the form of a JavaScript object whose methods transmit HTTP requests from a web browser to a web server. [1] The methods allow a browser-based application to send requests to the server after page loading is complete, and receive information back. [2] XMLHttpRequest is a component of Ajax programming.