Create a new function based on the given JSFunctionSpec.
Syntax
JSFunction* JS::NewFunctionFromSpec(JSContext* cx, const JSFunctionSpec* fs, HandleId id);
| Name | Type | Description |
|---|---|---|
cx |
JSContext * |
The context in which to define functions. Requires request. In a JS_THREADSAFE build, the caller must be in a request on this JSContext. |
fs |
const JSFunctionSpec * |
A pointer to function specification. |
behavior |
HandleId |
The result of a successful call to PropertySpecNameToPermanentId(cx, fs->name, &id). |
Description
JS::NewFunctionFromSpec creates a new function based on the given JSFunctionSpec, *fs. id is the result of a successful call to PropertySpecNameToPermanentId(cx, fs->name, &id).
Unlike JS_DefineFunctions, this does not treat fs as an array. *fs must not be JS_FS_END.
On success, JS::NewFunctionFromSpec returns a pointer to newly created function. On error, it returns nullptr.