Presented at: Open Source South Carolina Presented by: Maria Liberovsky

1. JAVASCRIPT: BEYOND THE
BASICS
Maria Liberovsky @1Mariacodes

2. SO, WHAT IS A HIGHER-ORDER
FUNCTION?

3. A HIGHER-ORDER FUNCTION
• TAKES ANOTHER FUNCTION AS
AN ARGUMENT
OR
• RETURNS A FUNCTION AS ITS
RESULT

4. SOME HIGHER-ORDER FUNCTIONS
• Map
• Reduce
• Filter

5. MAP

6. REDUCE

7. FILTER

8. LET’S LOOK AT SOME CODE!

9. REVISITING HIGHER-ORDER
FUNCTIONS

10. A CALLBACK IS
PASSED AS AN
ARGUMENT TO
ANOTHER FUNCTION

11. A CALLBACK WILL BE
EXECUTED AFTER
ANOTHER FUNCTION
HAS FINISHED
EXECUTING

12. PROMISES

14. ASYNC/AWAIT

15. THANK YOU!
Maria Liberovsky @1Mariacodes