Despite being just two lines of code that perform a basic check, the is-promise library is one of today's most popular JavaScript npm packages (libraries).

Ankit works in J2SE (core java). During code reviews, he's frequently asked to reduce his lines of code (LOC). "It's not about removing redundant code," he writes. To his colleagues, "it's about ...

If you want a gentle introduction, check out [mgechev’s] language that resides in 25 lines of Javascript.