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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
JavaScript
1.1; JScript 2.0; ECMAScript v1
Synopsis
array.join( )array.join(separator)
Arguments
separator
An optional character or string used to separate one element of the
array from the next in the returned string. If this argument is
omitted, a comma is used.
Returns
The string that results from converting each element of
array to a string and then concatenating
them together, with the separator string
between elements.
Description
join( ) converts each of the elements of an array
to a string and then concatenates those strings, inserting the
specified separator string between the
elements. It returns the resulting string.
You can perform a conversion in the opposite
direction -- splitting a string up into array elements -- with
the split( ) method of the String object. See the String.split( ) reference page for details.
Example
a = new Array(1, 2, 3, "testing");
s = a.join("+"); // s is the string "1+2+3+testing"
See Also
String.split( )
