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setJitCompilerOption("ion.warmup.trigger", 30);
function ArrayCallback(state) {
return this.state = state;
}
ArrayCallback.prototype.isUpperCase = function(v, index, array) {
return this.state ? true : (v == v.toUpperCase());
};
strings = ['hello', 'Array', 'WORLD'];
obj = new ArrayCallback(false);
strings.filter(obj.isUpperCase, obj)
obj = new ArrayCallback(true);
strings.filter(obj.isUpperCase, obj)
obj.__proto__ = {};