Part I: The Idea · Module 01

Why Types

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Mistakes found while typing, rather than while somebody is using the page.

0/4 lessons · test not taken · project open

01

The Problem Types Solve

~13 min · live editor

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02

What It Costs

~12 min · live editor

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Practice Test

10 questions · 80% = mastery

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Typed Explorer Step 1: Find the Bug That Types Would Have Caught

Apply everything from this module

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