/** File Name: instanceof-003.js ECMA Section: Description: http://bugzilla.mozilla.org/show_bug.cgi?id=7635 js> function Foo() {} js> theproto = {}; [object Object] js> Foo.prototype = theproto [object Object] js> theproto instanceof Foo true I think this should be 'false' Author: christine@netscape.com Date: 12 november 1997 Modified to conform to ECMA3 https://bugzilla.mozilla.org/show_bug.cgi?id=281606 */ var SECTION = "instanceof-003"; var VERSION = "ECMA_2"; var TITLE = "instanceof operator"; var BUGNUMBER ="7635"; startTest(); function Foo() {}; theproto = {}; Foo.prototype = theproto; AddTestCase( "function Foo() = {}; theproto = {}; Foo.prototype = theproto; " + "theproto instanceof Foo", false, theproto instanceof Foo ); var o = {}; // https://bugzilla.mozilla.org/show_bug.cgi?id=281606 try { AddTestCase( "o = {}; o instanceof o", "error", o instanceof o ); } catch(e) { AddTestCase( "o = {}; o instanceof o", "error", "error" ); } test();