javascript - Browser to wait for Angular app to be loaded -


i'm new in angular 4. created simple app data api , display it. tried google tools see how google see page. google see empty page (i expected this, because asynchronously). there way tell browser when app finished. want google scraper wait async things finish.

here how google mobile-friendly test tool see page (you can find page there): https://search.google.com/test/mobile-friendly?id=hkrq8xl_l5n0mxp988jvww

thanks!


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