web-standards

MDN URL: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode

What information was incorrect, unhelpful, or incomplete?

function strict() {
// because this is a module, I'm strict by default
}
export default strict;

Specific section or headline?

What did you expect to see?

function strict_function() {
// because this is a module, I'm

Relevant spec sections:

https://drafts.csswg.org/selectors-4/#the-dir-pseudo
https://html.spec.whatwg.org/multipage/semantics-other.html#selector-ltr

The interesting cases to test are from the definition of "directionality" in HTML:
https://html.spec.whatwg.org/multipage/dom.html#the-directionality

• element with dir="ltr" matches :dir(ltr) (#26159)
• root element without `

There is some new stuff in hljs w3c/respec#3576 ... we should investigate what Changes to make. In particular, it would be nice to drop hightlightAuto() and move to just hightlight().

The "!" is shown in the section below:

`When Boolean is called with argument value, the following steps are taken:

Let b be ! ToBoolean(value).

If NewTarget is undefined, return b.

Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%BooleanPrototype%", « [[BooleanData]] »).

Set O.[[BooleanData]] to b.

Return O.`