How to attach a new network to provider?

[mqklin]

Asked same question here

In the dApp that I'm building there is a provider that is connected to Mainnet using MetaMask window.ethereum. dApp allows user to switch a network without reloading the page. How to attach this new network to the old provider?

[ricmoo]

You need to pass in "any" as the network, but make sure you understand the consequences of not refreshing on network change.

This document needs some updating now that L2 networks are common, but here is some info: https://docs.ethers.io/v5/concepts/best-practices/#best-practices

[mqklin]

In the ended I added two providers - one with Mainnet network, another one with L2 network, and use them in the app depending on what the current network is. Thank you!

[shuvishubham]

can you give me the code to switch networks

[ricmoo]

Ethers providers are not mutable for the network. You must create a new provider object.