Programming ASP.NET AJAX

Appendix C. DOM Reference

This Appendix assembles all DOM methods and properties exposed by JavaScript. The DOM used is the W3C DOM supported by recent versions of Internet Explorer, Mozilla, Safari/Konqueror, and Opera. Methods and properties that are not supported by either of the two “main” browsers—Internet Explorer and Mozilla brands—are not mentioned.

Square brackets [] denote an array; parentheses ( ) indicate a method.

Generic Methods and Properties

The methods and properties in this section exist for all DOM elements.

Methods

Method	Description
appendChild(node)	Appends a child node to the element
appendData(data)	Appends data (HTML or text) to a node; does not overwrite existing data
blur( )	Removes the focus from the element
click( )	Simulates a click on the element
cloneNode(deep)	Creates a copy of the node (if deep is true, all subnodes are copied as well)
deleteData(start, length)	Deletes a number of characters from the data in a node
focus( )	Gives the focus to the element
getAttribute(attribute)	Returns the value of the given attribute
getAttributeNode(attribute)	Returns the node containing the given attribute
getElementsByTagName(name)	Returns an array of all elements with the given tag name
hasChildNodes( )	Returns a value that indicates whether the element has subnodes
insertBefore(node)	Inserts a node before the element
insertData(position, data)	Inserts data (HTML or text) at a certain position
removeAttribute(attribute)	Removes the given attribute and its value from the element
removeChild(node) ...