May 2011
Intermediate to advanced
1096 pages
40h 54m
English
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Name
Element — a document element
Inherits from
Node, EventTarget
Synopsis
An Element object represents an element in an HTML or XML
document. The tagName property
specifies the tag name or type of the element. Standard HTML
attributes of the element are available through JavaScript
properties of the Element object. Attributes, including XML
attributes and nonstandard HTML attributes can also be accessed with
the get Attribute()
and setAttribute()
methods. Element content is available through properties inherited
from Node. If you are only interested in the Element relatives of an
Element, you can use the children
property or firstElementChild,
nextElementSibling, and related
properties.
There are a number of ways to obtain Element objects from
documents. The document Element
property of a Document refers to the root element for that
document, such as the <html> element of an HTML document.
For HTML documents, the head and
body properties are similar: they
refer to the <head> and
<body> elements of the
document. To locate a specific named element by its unique id attribute, use Document.getElementById(). As described in
Selecting Document Elements, you can also obtain Element
objects with Document and Element methods such as getElementsByTagName(), getElementsByClassName(), and querySelectorAll(). Finally, you can
create new Element objects for insertion into a document with
Document.createElement().
Web browsers fire many different kinds of events on document elements, and Element objects ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.