May 2017
Intermediate to advanced
448 pages
10h 10m
English
Content preview from Learning jQuery 3 - Fifth Edition
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Understanding the DOM
One of the most powerful aspects of jQuery is its ability to make selecting elements in the DOM easy. The DOM serves as the interface between JavaScript and a web page; it provides a representation of the source HTML as a network of objects rather than as plain text.
This network takes the form of a family tree of elements on the page. When we refer to the relationships that elements have with one another, we use the same terminology that we use when referring to family relationships: parents, children, siblings, and so on. A simple example can help us understand how the family tree metaphor applies to a document:
<html> <head> <title>the title</title> </head> <body> <div> <p>This is a paragraph.</p> <p>This ...
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