The only reason it wasn't allowed until now was security. With iOS 8 cross proce... | Hacker News

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		simonh on Oct 2, 2014 \| parent \| context \| favorite \| on: Apple allows hot code push for JS downloaded and r... The only reason it wasn't allowed until now was security. With iOS 8 cross process communication improvements, the JITed JavaScript engine can be used by third party apps in a segregated fashion without sacrificing security.

carloscm on Oct 2, 2014 [–]

Is this also true when using JavaScriptCore directly? Or do you only get JIT compilation in the context of a web view?

kenferry on Oct 2, 2014 | [–]

Only in a web view. The point is that the JITed code is in an isolated process with few permissions.

gsnedders on Oct 3, 2014 | | [–]

And vitally it can allocate executable memory, which nothing you write can.

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