Check if parent has class using LESS

Question

Example scenario: I would like to hide a sub-navigation menu if the user has javascript enabled so that it can be revealed on a click of a navigation link further up in the nav

Answer 1

Can this be done using LESS?

Yes.

The code you provided works in LESS. The & combinator works the same.

In the end, the selectors generated for:

div.subnav {
    ...
    html.js & {
        ...
    }
}

will be:

div.subnav {
    ...
}

html.js div.subnav {
    ...
}