Which of the two attributes should have the name of javascript as its value?

I’m extremely sorry if this doesn’t help but here’s what I found:

JavaScript objects have two types of properties: data properties and accessor properties.

I also found this:

attributes : a collection of objects that belong to a built-in Attr class, with name and value properties. HTML attributes have the following features: Their name is case-insensitive ( id is same as ID ). Their values are always strings.