5.The Document Object Model is a tree-based model of the elements in an HTML page.Describe where the DOM is used and give an example of one thing you can accomplish using theDOM.6. A lot of Javascript programming is based on writing event handlers such as for click or submit events.(a)Describe one way that you could use an event handler as part of the Javascript runningin a web page.(b)An event handler can use a special variable this. Explain what this refers to and givean example of how it might be used.

As per the question statement, We need to discuss the DOM. Note: As per guidelines, I can answer…

Answered: The Document Object Model is a…

The Document Object Model is a tree-based model of the elements in an HTML page. Describe where the DOM is used and give an example of one thing you can accomplish using the DOM.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Fundamentals of Javascript

JavaScript (or js) is a scripting language used to script (program) web pages. It is used to make the web page dynamic and interactive. JavaScript codes are written in a web page's hypertext markup language (HTML) code and run automatically when the page loads. JavaScript codes do not require any particular application (app) or software for compilation or execution.

Question

5.
The Document Object Model is a tree-based model of the elements in an HTML page.
Describe where the DOM is used and give an example of one thing you can accomplish using the
DOM.
6. A lot of Javascript programming is based on writing event handlers such as for click or submit events.
(a)
Describe one way that you could use an event handler as part of the Javascript running
in a web page.
(b)
An event handler can use a special variable this. Explain what this refers to and give
an example of how it might be used.

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