try { | |
(function() { | |
Object.defineProperty(this, "x", { | |
get: function() { | |
Object.defineProperty(this, "y", { | |
configurable: true, | |
get: function() { | |
return Proxy(this.y) | |
} | |
}); | |
x; | |
} | |
}) | |
})() | |
x | |
} catch (e) {} | |
try { | |
x | |
} catch (e) {} | |
try { | |
x | |
} catch (e) {} | |
try { | |
y | |
} catch (e) {} | |
try { | |
y | |
} catch (e) {} | |
try { | |
y | |
} catch (e) {} |