Javascript
Could you describe how to create an event emitter class in JavaScript, specifically focusing on the methods on, emit, and off?
Frontend Engineer
Meta
Amazon Web Services
Siemens
Zynga
Indeed.com
Canva
Interview question asked to Frontend Engineers interviewing at Meta, Canon, Toshiba and others: Could you describe how to create an event emitter class in JavaScript, specifically focusing on the methods on, emit, and off?.