What is uncaught in promise typeerror?
I made a Chrome extension. However, I am getting the error Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'downlink'). Can anyone please help to fix this?
Since the navigator.connection is undefined, you need to add an optional chaining operator: navigator?.connection?.downlink But if it is not defined, you might need to skip the entire block. Also, your condition should be as follows:
