diff options
Diffstat (limited to 'src/webenginewidgets/doc/src/qwebenginepage_lgpl.qdoc')
-rw-r--r-- | src/webenginewidgets/doc/src/qwebenginepage_lgpl.qdoc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/webenginewidgets/doc/src/qwebenginepage_lgpl.qdoc b/src/webenginewidgets/doc/src/qwebenginepage_lgpl.qdoc index 6e33f8692..e63423be8 100644 --- a/src/webenginewidgets/doc/src/qwebenginepage_lgpl.qdoc +++ b/src/webenginewidgets/doc/src/qwebenginepage_lgpl.qdoc @@ -772,6 +772,11 @@ page.runJavaScript("document.title", [](const QVariant &v) { qDebug() << v.toString(); }); \endcode + Only "plain data" can be returned from JavaScript as the result value. + Supported data types include all of the JSON data types as well as, for + example, \c{Date} and \c{ArrayBuffer}. Unsupported data types include, for + example, \c{Function} and \c{Promise}. + \warning Do not execute lengthy routines in the callback function, because it might block the rendering of the web engine page. |