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

Did you come across this question in an interview?

  • Can you develop an event emitter class in JavaScript, ensuring it contains the on, emit, and off methods?
  • Could you describe how to create an event emitter class in JavaScript, specifically focusing on the methods on, emit, and off?
  • Describe the steps to create an event emitter class in JavaScript, including the key methods: on, emit, and off.
  • How do you envision an event emitter class in JavaScript, with particular emphasis on the on, emit, and off methods?
  • How would you go about writing a custom event emitter class in JavaScript that incorporates on, emit, and off methods?
  • Implement your own event emitter class in JavaScript, including the on, emit, and off methods.
  • In JavaScript, how would you construct an event emitter class with the on, emit, and off methods?
  • Please demonstrate how to build an event emitter class in JavaScript, highlighting the on, emit, and off methods.
  • Please walk me through the process of implementing an event emitter class in JavaScript, including the on, emit, and off functionalities.
  • Show me how you would implement an event emitter class in JavaScript, focusing on the on, emit, and off methods.

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?.