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! (Logical NOT) (Operator/logical)

Logical NOT operator.

Availability:

ECMAScript edition - 2

JavaScript - 1.0

JScript - 1.0

Internet Explorer - 3.02

Netscape - 2.0

Netscape Enterprise Server- 2.0

Opera - 3.0

Property/method value type: Boolean primitive

See also: Bitwise NOT - complement (~), Logical operator, NOT Equal to (!=), Unary expression, Unary operator

Refer to:

ECMA 262 edition 2 - section - 11.4.9

ECMA 262 edition 3 - section - 11.4.9

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JavaScript Programmer's Reference, Cliff Wootton Wrox Press (www.wrox.com) Join the Wrox JavaScript forum at p2p.wrox.com Please report problems to support@wrox.com © 2001 Wrox Press. All Rights Reserved. Terms and conditions.