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Cautioning use of prototype extensions #231

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Dec 8, 2016
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Cautioning use of prototype extensions #231

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Cautioning use of prototype extensions
jasonmit Jul 23, 2016
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Update README.md
jasonmit Aug 31, 2016
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Expand Up @@ -377,6 +377,12 @@ supported when running in FastBoot mode. One exception is network code for
fetching models, which we intended to support, but doesn't work at
present.

### Prototype extensions

Prototype extensions do not currently work across node "realms." Fastboot
applications operate in two realms, a normal node environment and a [virtual machine](https://nodejs.org/api/vm.html). Passing objects that originated from the normal realm will not contain the extension methods
inside of the sandbox environment. For this reason, it's encouraged to [disable prototype extensions](https://guides.emberjs.com/v2.4.0/configuring-ember/disabling-prototype-extensions/).


## Troubleshooting

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