JS_GetPendingException 编辑
Get the current pending exception for a given JSContext.
Syntax
bool
JS_GetPendingException(JSContext *cx, JS::MutableHandleValue vp);
| Name | Type | Description |
|---|---|---|
cx | JSContext * | Pointer to the JS context in which the exception was thrown. Requires request. In a JS_THREADSAFE build, the caller must be in a request on this JSContext. |
vp | JS::MutableHandleValue | Out parameter. On success, *vp receives the current pending exception. |
Description
If an exception has been thrown in the context cx, and it has not yet been caught or cleared, JS_GetPendingException stores the exception object in *vp and returns true.
Otherwise, it returns false, and the value left in *vp is undefined.
See examples in the JSAPI Phrasebook.
See Also
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