1) See the exact statement which executed with granular highlighting
https://umaar.com/dev-tips/21-highlight-paused-statement/
2) Get and debug event listeners
https://umaar.com/dev-tips/31-get-debug-event-listeners/
3) Set a breakpoint based on a certain condition
https://umaar.com/dev-tips/46-conditional-breakpoint/
4) Better logging of objects and arrays with console.table
https://umaar.com/dev-tips/82-console-table/
5) Customise the Network Response Header columns to focus on headers you care about
https://umaar.com/dev-tips/115-manage-network-response-headers/
6) View and remove JavaScript event listeners