What are Callbacks in JavaScript? | How Create and Use Callback Functions

What are Callbacks in JavaScript? | How Create and Use Callback Functions

Callbacks, aka callback functions, are functions that are passed into another function and called with that function. They're absolutely key to understand in order to write dynamic JavaScript projects.

Callbacks, aka callback functions, are functions that are passed into another function and called with that function.

They're absolutely key to understand in order to write dynamic JavaScript projects.

Igbo API GitHub: https://github.com/ijemmao/igbo_api Volunteer Form: https://nkowaokwu.com/volunteer

Timestamps:

  • 0:00 Intro
  • 0:11 Why use Callback Functions?
  • 0:35 What is a Callback Function?
  • 1:37 Grabbing Values from Unreachable Scopes
  • 3:07 setTimeout Example
  • 3:44 Promise Example
  • 4:44 Express Example
  • 6:22 Contribute to the Igbo API!

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