The glyph-orientation-vertical attribute affects the amount that the current text position advances as each glyph is rendered.

The JavaScript exception "can't convert BigInt to number" occurs when an arithmetic operation involves a mix of BigInt and Number values.

The JavaScript exception "can't delete non-configurable array element" occurs when it was attempted to shorten the length of an array, but one of the array's elements is non-configurable.

The JavaScript exception "TypeError: can't set prototype: it would cause a prototype chain cycle" occurs when an object's prototype is set to an object such that the prototype chain becomes circular (a and b both have each other in their prototype chains).

The pointer-events attribute is a presentation attribute that allows defining whether or when an element may be the target of a mouse event.

The JavaScript exception "more arguments needed" occurs when there is an error with how a function is called. More arguments need to be provided.

The JavaScript exception "Unexpected '#' used outside of class body" occurs when a hash ("#") is encountered in an unexpected context, most notably outside of a class declaration. Hashes are valid at the beginning of a file as a hashbang comment, or inside of a class as part of a private field. You may encounter this error if you forget the quotation marks when trying to access a DOM identifier as well.

The JavaScript exception "is not a function" occurs when there was an attempt to call a value from a function, but the value is not actually a function.

The JavaScript exception "missing ] after element list" occurs when there is an error with the array initializer syntax somewhere. Likely there is a closing square bracket (]) or a comma (,) missing.

The JavaScript exception "a declaration in the head of a for-of loop can't have an initializer" occurs when the head of a for...of loop contains an initializer expression such as for (const i = 0 of iterable). This is not allowed in for-of loops.