f errors occur.
When writing small programs, these quirks are annoying but manageable; when writing applications with hundreds or thousands of lines of code, these constant surprises make development slow and frustrating.</p>
<h2 id="typescript-a-static-type-checker"><a href="#typescript-a-static-type-checker">TypeScript: A Static Type Checker</h2></a>
<p>We said earlier that other programming languages wouldn't allow those buggy programs to run at all.
Detecting errors in code without running it is referre