<p>Some call JavaScript a web scripting language and some consider it a programming language. I tend to think of it as the latter as it will do what other programming languages will do. Yes, you can be quite sloppy in your programming due to the flexibility of the language.</p>
<p>I sat in on a few meetings with Brendan Eich, inventor of JavaScript, a few years ago during TraceMonkey development. TraceMonkey was Mozilla’s JIT compiler for JavaScript to improve performance. Something that was previously implemented in some Java implementations.</p>