Enabling AppArmor in Docker

The JavaScript exception "new keyword cannot be used with an optional chain" occurs when the constructor of a new expression is an optional chain, or if there's an optional chain between the constructor and the parenthesized list of arguments.

The async function keywords can be used to define an async function inside an expression.

The pointsAtX attribute represents the x location in the coordinate system established by attribute primitiveUnits on the <filter> element of the point at which the light source is pointing.

The specularConstant attribute controls the ratio of reflection of the specular lighting. It represents the ks value in the Phong lighting model. The bigger the value the stronger the reflection.

The stop-color attribute indicates what color to use at a gradient stop.

The to attribute indicates the final value of the attribute that will be modified during the animation.

JavaScript's strict mode is a way to opt in to a restricted variant of JavaScript, thereby implicitly opting-out of "sloppy mode". Strict mode isn't just a subset: it intentionally has different semantics from normal code. Strict mode code and non-strict mode code can coexist, so scripts can opt into strict mode incrementally.

`Error` is a trait representing the basic expectations for error values, i.e., values of type `E` in `Result<T, E>`.

The Array() constructor creates Array objects.