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[1] Netscape DevEdge ( 版) <http://web.archive.org/web/20040611103012/http://devedge.netscape.com/library/manuals/2000/javascript/1.3/reference/window.html#1201996>

Implemented in

JavaScript 1.2

Description

The crypto object is only available as a property of window; it provides access to methods which support Navigator's encryption features.