Dom : document object model. It is used to add dynamic content to the webpages. Update the content, Structure and style

• Document object has: Methods and properties

Using DOM methods and properties, we can

• Select HTML elements
• Modify HTML elements
• Remove and delete HTML elements
• Create HTML elements
• Add, remove, and change styles to HTML elements

Methods :

Document.Write

Document.Writeln

Document.getElementById: return specified element

Document.getElementByName: returns a list of elements with the specified name. In the form of an array

Document.getElementsByClassName: return list of element specified same class .all elements with the same class name

Document.getElementsByTagName: return a list of elements with the same tag.

Document.querySelector(".classname, #idname, tagname") : return staring element only

Document.querySelectorAll(".classname, #idname, tagname") : return a list of all elements.

Return all object matches the CSS style selector.