var f = 'f'; | |
function foo(o) { | |
return o[f]; | |
} | |
function bar(a) { | |
var result = 0; | |
for (var i = 0; i < 2000000; ++i) { | |
for (var j = 0; j < a.length; ++j) | |
result += foo(a[j]); | |
} | |
return result; | |
} | |
function Foo() { | |
} | |
Foo.prototype[f] = 42; | |
var result = bar([new Foo(), {[f]:24}]); | |
if (result != 132000000) | |
throw "Error bad result: " + result; |