Main Points From the Video
HTML is read by the browser and objects are created in the browser memory with names, as defined in the Document Object Model standard of W3C. One of the main objects is called "document".
We can use IDs, such as ID="T1", to give a tag (element) an ID.
Copy the HTML below into a file and open the file in your browser.
Give an id='T1' to the h1 tag?