Open the DevTools Console
You can open the DevTools using one of the following ways
- Keyboard shortcut: Press Ctrl-Shift-i
- Mouse context menu: Right click on the Hello World page and select Inspect from the menu.
- The Chrome browser menu: Select "More tools" > "Developer tools"
When the DevTools window opens, select the Console tab.
If you see a warning message saying "some customer formaters were not rendered", this is fixed on the next page when we "Enable custom formatters"