The Math.trunc() static method returns the integer part of a number by removing any fractional digits.

The find() method of Array instances returns the first element in the provided array that satisfies the provided testing function. If no values satisfy the testing function, undefined is returned.

The vert-origin-x attribute indicates the x-coordinate in the font coordinate system of the origin of a glyph to be used when drawing vertically oriented text.

The [@@toPrimitive]() method of Date instances returns a primitive value representing this date. It may either be a string or a number, depending on the hint given.

The unicode-bidi attribute specifies how the accumulation of the background image is managed.

The transform attribute defines a list of transform definitions that are applied to an element and the element's children.

The Math.atan() static method returns the inverse tangent (in radians) of a number, that is

The Math.sign() static method returns 1 or -1, indicating the sign of the number passed as argument. If the input is 0 or -0, it will be returned as-is.

The toLocaleTimeString() method of Date instances returns a string with a language-sensitive representation of the time portion of this date in the local timezone. In implementations with Intl.DateTimeFormat API support, this method simply calls Intl.DateTimeFormat.

The EvalError() constructor creates EvalError objects.