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START ToplevelNavigationController
o=Object.create({x: 42, g: function() { return this.x; }, s: function(v) { this.x=v; })
Uncaught SyntaxError: Unexpected token )(…)
o=Object.create({x: 42, g: function() { return this.x; }, s: function(v) { this.x=v; } })
Object {}
o.g()
42
o.s(23)
undefined
o.g()
23
o2=Object.create(o)
Object {}
o3=Object.create(o)
Object {}
o2.g()
23
o2.s(12)
undefined
o2.g()
12
o.g()
23
o3.g()
23
o.s(100)
undefined
o.g()
100
o2.g()
12
o3.g()
100
o
Object {x: 100}
o.g()
100
o2.g()
12
o3.g()
100
o.g2 = function() { return 2 * this.g(); }
() { return 2 * this.g(); }
o.g()
100
o.g2()
200
o2.g2()
24
o3.g2()
200
o.g()
100
o.g2()
200
o.s(123)
undefined
o.g2()
246
o2.g3=function() { reurn 3*this.g(); }
Uncaught SyntaxError: Unexpected number(…)
o2.g3=function() { return 3*this.g(); }
() { return 3*this.g(); }
o2.g()
12
o2.g3()
36
o2_2=Object.create(o2)
Object {}
o2.g()
12
o2_2.g()
12
o2_2.g3()
36
o2_2.s(42)
undefined
o2_2.g3()
126
jQuery.extend(o2, { g5: function() { return 5 * this.g(); } })
Object {x: 12}
o2.g()
12
o2.g5()
60
o2_2.g()
42
o2_2.g5()
210