JS_NextProperty 编辑
Obsolete since JSAPI 36
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
Get the next property id from an iterator object produced by JS_NewPropertyIterator.
Syntax
bool JS_NextProperty(JSContext *cx, JS::HandleObject iterobj, JS::MutableHandleId idp);
| Name | Type | Description |
|---|---|---|
cx | JSContext * | The JS context in which to enumerate properties. Requires request. In a JS_THREADSAFE build, the caller must be in a request on this JSContext. |
iterobj | JS::HandleObject | The opaque iterator object returned by a previous call to JS_NewPropertyIterator. |
idp | JS::MutableHandleId | Out parameter. On success, *idp receives the name or index of the next property name; or JSID_VOID if there are no more enumerable properties to visit. |
Description
On success, JS_NextProperty returns true, with *idp containing the id of the next enumerable own property to visit using iterobj, or JSID_VOID if there is no such property left to visit. On error, it returns false, and the value left in *idp is undefined.
See Also
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