This article covers features introduced in SpiderMonkey 31
Create a new JavaScript function that is implemented in self-hosted JavaScript.
Syntax
JSFunction*
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_THREADSAFEbuild, the caller must be in a request on thisJSContext. | 
| selfHostedName | const char* | Function name in the self-hosted JavaScript. | 
| id | JS::Handle<jsid> | A pointer to jsidof the name to assign to the new function. | 
| nargs | unsigned | Number of arguments the function expects. | 
Description
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.