The JavaScript exception "repeat count must be less than infinity" occurs when the String.prototype.repeat() method is used with a count argument that is infinity.

The globalThis global property contains the global this value, which is usually akin to the global object.

The with statement extends the scope chain for a statement.

The grouping ( ) operator controls the precedence of evaluation in expressions. It also acts as a container for arbitrary expressions in certain syntactic constructs, where ambiguity or syntax errors would otherwise occur.

The <style> SVG element allows style sheets to be embedded directly within SVG content.

The for await...of statement creates a loop iterating over async iterable objects as well as sync iterables. This statement can only be used in contexts where await can be used, which includes inside an async function body and in a module.

The additive attribute controls whether or not an animation is additive.

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

A TypedArray object describes an array-like view of an underlying binary data buffer. There is no global property named TypedArray, nor is there a directly visible TypedArray constructor. Instead, there are a number of different global properties, whose values are typed array constructors for specific element types, listed below. On the following pages you will find common properties and methods that can be used with any typed array containing elements of any type.

The escape() function computes a new string in which certain characters have been replaced by hexadecimal escape sequences.