>Besides C, every language I've worked in comes with one of these things built-in. JavaScript? When talking about a language most refer to as "JavaScript-like"

>Besides C, every language I've worked in comes with one of these things built-in. JavaScript? When talking about a language most refer to as "JavaScript-like", it's definitely a noteworthy feature. Otherwise, you're right, it's pretty much expected to be available. Although, I'd say beginner developers might forget about it since the typical use case has string or number keys.