Project 19: JavaScript Injection

Question 1/12: Which of these statements are true?

Hint: If you're not sure, try looking at or running your code. Click to show.

• Option 1: Action extensions appear inside Safari's UI.

  This makes it easy for users to discover them.

• Option 2: It is never OK to update the UI on the main thread.

  We must always update the UI on the main thread.

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