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This article covers features introduced in SpiderMonkey 31

Create a new JavaScript function that is implemented in self-hosted JavaScript.


JS::GetSelfHostedFunction(JSContext* cx, const char* selfHostedName, JS::Handle<jsid> id,
                          unsigned nargs);
Name Type Description
cx JSContext* The context from which to get the function. Requires request. In a JS_THREADSAFE build, the caller must be in a request on this JSContext.
selfHostedName const char* Function name in the self-hosted JavaScript.
id JS::Handle&lt;jsid&gt; A pointer to jsid of the name to assign to the new function.
nargs unsigned Number of arguments the function expects.


JS::GetSelfHostedFunction creates a new JavaScript function implemented in self-hosted JavaScript.

On success, JS::GetSelfHostedFunction returns a pointer to the newly created function. Otherwise, it reports an out-of-memory error and returns NULL.

See Also