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In JavaScript there are "JS-only" sanitizers for the back end, and browser-based [8] implementations that use browser's own Document Object Model (DOM) parser to parse the HTML (for better performance).
The Document Object Model (DOM) is a cross-platform and language-independent interface that treats an HTML or XML document as a tree structure wherein each node is an object representing a part of the document. The DOM represents a document with a logical tree. Each branch of the tree ends in a node, and each node contains objects.
Both have event listeners registered on the same event type, say "click". When the user clicks on the inner element, there are two possible ways to handle it: Trigger the elements from outer to inner (event capturing). This model is implemented in Netscape Navigator. Trigger the elements from inner to outer (event bubbling). This model is ...
In web development, hydration or rehydration is a technique in which client-side JavaScript converts a web page that is static from the perspective of the web browser, delivered either through static rendering or server-side rendering, into a dynamic web page by attaching event handlers to the HTML elements in the DOM. [1]
The scoped subtree in an element is called a shadow tree. The element the shadow tree is attached to is called a shadow host. [6] A Shadow DOM must always be connected to an existing element, either through attaching it as a literal element or through scripting. In JavaScript, Shadow DOMs are attached to an element using Element.attachShadow(). [7]
DOM Inspector (DOMi) is a web developer tool created by Joe Hewitt and was originally included in Mozilla Application Suite as well as versions of Mozilla Firefox prior to Firefox 3. It is now included in Firefox, and SeaMonkey. Its main purpose is to inspect and edit the Document Object Model (DOM) tree of HTML and XML-based documents.
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Development became easier when Internet Explorer 5.0+, Mozilla Firefox 2.0+, and Opera 7.0+ adopted a shared DOM inherited from ECMAScript. Later, JavaScript libraries such as jQuery abstracted away many of the day-to-day difficulties in cross-browser DOM manipulation, though better standards compliance among browsers has reduced the need for this.