Lesson 10 — Switch

日本語

Syntax

switch compares a value against each case. case blank is the wildcard that matches anything (like default in JavaScript — blank is Purus's Shift-free _):

switch status
  case //;ok;// then console.log[//;good;//]
  case //;ng;// then console.log[//;bad;//]
  case blank then console.log[//;unknown;//]

Task

Add two cases to greet-in:

Input	Output
//;ja;//	Konnichiwa
anything else (blank)	Unknown language

Check

npm test 10

Basics complete! From Lesson 11 on, you'll learn intermediate features: pipelines, classes, error handling, async, the standard library, and generators.

Learn more

• Control Flow — Switch