The letter-spacing attribute controls spacing between text characters, in addition to any spacing from the kerning attribute.

The font-style attribute specifies whether the text is to be rendered using a normal, italic, or oblique face.

The logical AND (&&) (logical conjunction) operator for a set of boolean operands will be true if and only if all the operands are true. Otherwise it will be false.

The diffuseConstant attribute represents the kd value in the Phong lighting model. In SVG, this can be any non-negative number.

The continue statement terminates execution of the statements in the current iteration of the current or labeled loop, and continues execution of the loop with the next iteration.

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 static keyword defines a static method or field for a class, or a static initialization block (see the link for more information about this usage). Static properties cannot be directly accessed on instances of the class. Instead, they're accessed on the class itself.

The JavaScript exception "is not iterable" occurs when the value which is given as the right-hand side of for...of, as argument of a function such as Promise.all or TypedArray.from, or as the right-hand side of an array destructuring assignment, is not an iterable object.

The JavaScript strict mode-only exception "deprecated caller or arguments usage" occurs when the deprecated Function.prototype.caller or Function.prototype.arguments properties are used.

The JavaScript warning "reference to undefined property" occurs when a script attempted to access an object property which doesn't exist.