Question

what is html doms.........​

Answer 1

Answer:

The Document Object Model is a cross-platform and language-independent interface that treats an XML or HTML 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.

Answer 2

Answer:

The HTML DOM is an Object Model for HTML. It defines:

HTML elements as objects

Properties for all HTML elements

Methods for all HTML elements

Events for all HTML elements

The HTML DOM is an API (Programming Interface) for JavaScript:

JavaScript can add/change/remove HTML elements

JavaScript can add/change/remove HTML attributes

JavaScript can add/change/remove CSS styles

JavaScript can react to HTML events

JavaScript can add/change/remove HTML events

The HTML DOM (Document Object Model)

When a web page is loaded, the browser creates a Document Object Model of the page.

The HTML DOM model is constructed as a tree of Objects:

The HTML DOM Tree of Objects

DOM HTML tree

Finding HTML Elements

When you want to access HTML elements with JavaScript, you have to find the elements first.

There are a couple of ways to do this:

Finding HTML elements by id

Finding HTML elements by tag name

Finding HTML elements by class name

Finding HTML elements by CSS selectors

Finding HTML elements by HTML object collections

Finding HTML Element by Id

The easiest way to find an HTML element in the DOM, is by using the element id.

This example finds the element with id="intro":

Example

var myElement = document.getElementById("intro");

Try it Yourself »

If the element is found, the method will return the element as an object (in myElement).

If the element is not found, myElement will contain null.

Finding HTML Elements by Tag Name

Explanation:

that is your answer