8
BUGS AND ERRORS
Flaws in computer programs are usually called bugs. It makes programmers feel good to imagine them as little things that just happen to crawl into our work. In reality, of course, we put them there ourselves.
If a program is crystallized thought, we can roughly categorize bugs into those caused by the thoughts being confused and those caused by mistakes introduced while converting a thought to code. The former type is generally harder to diagnose and fix than the latter.
Language
Many mistakes could be pointed out to us automatically by the computer if it knew enough about what we’re trying to do. But here, JavaScript’s looseness is a hindrance. Its concept of bindings and properties is vague enough that it will rarely catch ...
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