The logical OR (||) (logical disjunction) operator for a set of operands is true if and only if one or more of its operands is true. It is typically used with boolean (logical) values. When it is, it returns a Boolean value. However, the || operator actually returns the value of one of the specified operands, so if this operator is used with non-Boolean values, it will return a non-Boolean value.

The addition assignment (+=) operator performs addition (which is either numeric addition or string concatenation) on the two operands and assigns the result to the left operand.

The <clipPath> SVG element defines a clipping path, to be used by the clip-path property.

The <desc> element provides an accessible, long-text description of any SVG container element or graphics element.

Regular expressions are patterns used to match character combinations in strings. In JavaScript, regular expressions are also objects. These patterns are used with the exec() and test() methods of RegExp, and with the match(), matchAll(), replace(), replaceAll(), search(), and split() methods of String. This chapter describes JavaScript regular expressions. It provides a brief overview of each syntax element. For a detailed explanation of each one's semantics, read the regular expressions reference.

The <feMorphology> SVG filter primitive is used to erode or dilate the input image. Its usefulness lies especially in fattening or thinning effects.

The <fePointLight> filter primitive defines a light source which allows to create a point light effect. It that can be used within a lighting filter primitive: <feDiffuseLighting> or <feSpecularLighting>.

The <feFuncG> SVG filter primitive defines the transfer function for the green component of the input graphic of its parent <feComponentTransfer> element.

The bitwise OR (|) operator returns a number or BigInt whose binary representation has a 1 in each bit position for which the corresponding bits of either or both operands are 1.

The multiplication assignment (*=) operator performs multiplication on the two operands and assigns the result to the left operand.