How do I use Chrome Developer debugging shortcuts on a Mac?

Solution 1:

• Continue: F8 or Command-/ (forward slash) on Mac or Control-/ (forward slash) on other platforms.
• Step over: F10 or Command-' (apostrophe) on Mac or Control-' (apostrophe) on other platforms.
• Step into: F11 or Command-; (semi-colon) on Mac or Control-; (semi-colon); on other platforms.
• Step out: Shift-F11 or Shift-Command-; (semi-colon) on Mac or Shift-Control-; (semi-colon) on other platforms.
• Next call frame: Control-. (period) on all platforms.
• Previous call frame: Control-, (comma) on all platforms.

Source

Solution 2:

It works:

1. Go to System Preferences -> Keyboard -> Keyboard. Make sure you have Enabled Use F1/F2 as standard function keys.

2. Go to System Preferences -> Keyboard -> Keyboard Shortcuts. Choose Mission Control on the left panel, then look to the right panel and disable F11 to Show Desktop.