Saves having to cut and paste the number into LCSC to check it's the right part.
Would also be useful to add this to the libraries where if people add a link to the manufacturer datasheet it does the same thing. Obviously most users won't bother to enter it so grey it out on the right click menu if the link isn't there.
Electron
2.0.5
Windows
10
EasyEDA
5.9.42