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JavaScript: The Definitive Guide, 4th Edition
By
David Flanagan
Publisher
: O'Reilly
Pub Date
: November 2001
ISBN
: 0-596-00048-0
Pages
: 936
Slots
: 1
This fourth edition of the definitive reference to
JavaScript, a scripting language that can be embedded
directly in web pages, covers the latest version of the
language, JavaScript 1.5, as supported by Netscape 6 and
Internet Explorer 6. The book also provides complete
coverage of the W3C DOM standard (Level 1 and Level 2),
while retaining material on the legacy Level 0 DOM for
backward compatibility.
Availability
DOM Level 1 HTML
Synopsis
void add(HTMLElement element,
HTMLElement before)
throws DOMException;
Arguments
element
The HTMLOptionElement to be added. before
The element of the options array before which the
new element should be added. If this
argument is null,
element is appended at the end of the
options array.
Throws
This method throws a DOMException with a code of
NOT_FOUND_ERR if the
before argument specifies an object that
is not a member of the options array.
Description
This method adds a new <option> element to
this <select> element.
element is an HTMLOptionElement that
represents the <option> element to be added.
before specifies the HTMLOptionElement
before which element is to be added. If
before is part of an
OPTGROUP,
element is always inserted as part of that
same group. If before is
null, element becomes
the last child of the <select> element.
See Also
Select object in the client-side reference section
