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For example, if the browser-leak method relies on checking CSS attributes such as the width and height of an element, the inclusion technique must use an HTML element with a width and height property, such as an image element, that changes when a cross-origin request returns an invalid or a differently sized image.
HTML and CSS can be used in combination to mark up and style information. The webpage can be modified by JavaScript to dynamically display (and allow the user to interact with) the new information. The webpage can be modified by JavaScript to dynamically display (and allow the user to interact with) the new information.
CSS image replacement is a Web design technique that uses Cascading Style Sheets to replace text on a Web page with an image containing that text. It is intended to keep the page accessible to users of screen readers, text-only web browsers, or other browsers where support for images or style sheets is either disabled or nonexistent, while allowing the image to differ between styles.
The term CDATA, meaning character data, is used for distinct, but related, purposes in the markup languages SGML and XML.The term indicates that a certain portion of the document is general character data, rather than non-character data or character data with a more specific, limited structure.
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.
In this example, the image data is encoded with utf8 and hence the image data can broken into multiple lines for easy reading. Single quote has to be used in the SVG data as double quote is used for encapsulating the image source. A favicon can also be made with utf8 encoding and SVG data which has to appear in the 'head' section of the HTML:
raksyBH / Getty Images Although they’re often drawn to vibrant cities for their career opportunities and lifestyle perks, high housing costs make living in these urban hubs increasingly difficult.
A query string is a part of a uniform resource locator that assigns values to specified parameters.A query string commonly includes fields added to a base URL by a Web browser or other client application, for example as part of an HTML document, choosing the appearance of a page, or jumping to positions in multimedia content.