[Qtwebengine] How to tell qtwebengine a result string from javascript timer?

[Nemo]

Hello everyone.


I used runJavaScript(const QString& scriptSource, const QWebEngineCallback<const QVariant &> &resultCallback), the javascript start a timer and do something until operation is really done. But the "resultCallback" will be called immediately, how can I return the result in javascript timer?
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