Which function will be called when the last instance of

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Which function will be called when the last instance of a plug-in is deleted?

1. NPP_New
2. NP_Initialize
3. NP_Shutdown
4. NPP_Destroy
5. None of these

Correct Option: C

When the last instance of a plug-in is deleted Gecko calls the function NP_Shutdown. The plug-in code is unloaded from memory. Plug-ins consume no resources when not loaded, it only consumes a little disk space.