Nothing really, and people use it for that. For example, https://github.com/0ad/0ad/tree/master/libraries/source/spidermonkey https://github.com/0ad/0ad/tree/m

Nothing really, and people use it for that. For example, https://github.com/0ad/0ad/tree/master/libraries/source/spidermonkey https://github.com/0ad/0ad/tree/master/libraries/source/spid...