Null means *nothing* or *unknown*, depending on context.

- Wiki
1 articles, 0 books.

Uglier than a Windows backslash, odder than ===, more common than PHP, more unfortunate than CORS, more disappointing than Java generics, more inconsistent than XMLHttpRequest, more confusing than a C preprocessor, flakier than MongoDB, and more regrettable than UTF-16, the worst mistake in computer science was introduced in 1965.