If you pass a string to multiply(), VS Code will show you an error by underlying the problematic part of your code:
Hover that with the mouse, VS Code will tell you more:
Now, regarding TypeScript errors, sometimes they are a bit cryptic. Not in this case. But there is a VS Code extension that helps you by giving actionable information, and it’s called Pretty TypeScript Errors.
Install that, you’ll see different error messages:
This is what happens in the editor.
Lessons in this unit:
| 0: | Introduction |
| 1: | Your first TypeScript program |
| 2: | Types |
| 3: | Typing functions |
| 4: | ▶︎ The editor helps you with type errors |
| 5: | Running TypeScript code |
| 6: | Valid types |
| 7: | Type aliases and interfaces |
| 8: | Union types |
| 9: | Typing arrays with generics |
| 10: | The DX of editing TypeScript |
| 11: | There's more... |
| 12: | tsconfig.json COMING SOON |
| 13: | Installing types COMING SOON |
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