The InternalError object indicates an error that occurred internally in the JavaScript engine.

The URIError object represents an error when a global URI handling function was used in a wrong way.

The Math namespace object contains static properties and methods for mathematical constants and functions.

The Float16Array typed array represents an array of 16-bit floating point numbers in the platform byte order. If control over byte order is needed, use DataView instead. The contents are initialized to 0 unless initialization data is explicitly provided. Once established, you can reference elements in the array using the object's methods, or using standard array index syntax (that is, using bracket notation).

The Reflect namespace object contains static methods for invoking interceptable JavaScript object internal methods. The methods are the same as those of proxy handlers.

The Object.entries() static method returns an array of a given object's own enumerable string-keyed property key-value pairs.

The call() method of Function instances calls this function with a given this value and arguments provided individually.

The Math.sinh() static method returns the hyperbolic sine of a number. That is,

The Math.clz32() static method returns the number of leading zero bits in the 32-bit binary representation of a number.

The Math.asinh() static method returns the inverse hyperbolic sine of a number. That is,