The Document Object model, or DOM, is the standard programming interface recommended by the Organization for the processing of extensible flag languages. The Document Object model dates back to the late 1990 's "browser Wars" between Microsoft and Netscape, which gave the browser powerful features in order to make life and death in JavaScript and JScript. Microsoft has added a number of proprietary things to Web technology, including VBScript, ActiveX, and Microsoft's own DHTML format, making it impossible for many Web pages to be displayed using non-Microsoft platforms and browsers. Dom is the masterpiece of the time.
Dom= Document Object Model, which provides a platform-and language-independent way to access and modify the content and structure of a document. In other words, this is a common way of representing and working with an HTML or XML document. A littleDOMIt is important that the DOM design is based on the protocol of the Object Management Organization (OMG) and therefore can be used in any programming language. It was originally thought of as a way to allow JavaScript to be portable between browsers, but Dom's application has gone far beyond this range. Dom technology allows the user page to dynamically change, such as the ability to dynamically display or hide an element, change their properties, add an element, and so on, Dom technology makes the page interactivity greatly enhanced. [1] The DOM is actually a document model that is described in an object-oriented manner. The DOM defines the objects that are required to represent and modify the document, the behavior and properties of those objects, and the relationships between those objects. You can think of the DOM as a tree representation of the data and structure on the page, although the page may not be implemented in this way. With JavaScript, you can refactor the entire HTML document. You can add, remove, change, or rearrange items on a page. To change something on a page, JavaScript needs to get access to all the elements in the HTML document. This portal, along with the methods and properties for adding, moving, changing, or removing HTML elements, is obtained through the Document Object Model (DOM). In 1998, the first level of the DOM specification was published by the consortium. This specification allows access to and manipulation of each individual element in an HTML page. All browsers have implemented this standard, so the DOM compatibility issue is almost impossible to trace. The DOM can be used by JavaScript to read, change HTML, XHTML, and XML documents. The DOM is divided into different sections (core, XML, and HTML) and levels (DOM level 1/2/3):
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