January 2017
Beginner to intermediate
550 pages
10h 6m
English
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BOM and DOM - an overview
The JavaScript code in a page has access to a number of objects. These objects can be divided into the following types:
- Core ECMAScript objects: This consists of all the objects mentioned in the previous chapters
- DOM: This consists of objects that have to do with the currently loaded page, which is also called the document
- BOM: This consists of objects that deal with everything outside the page-the browser window and the desktop screen
DOM stands for Document Object Model and BOM for Browser Object Model.
The DOM is a standard governed by the World Wide Web Consortium (W3C) and has different versions, called levels, such as DOM Level 1, DOM Level 2, and so on. Browsers in use today have different degrees of compliance with ...
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