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The valueOf() method returns the primitive value of a Boolean object.
Boolean JavaScript Method Prototype


The Intl.Collator object is a constructor for collators, objects that enable language sensitive string comparison.
Collator Internationalization JavaScript


The Intl.Collator.supportedLocalesOf() method returns an array containing those of the provided locales that are supported in collation without having to fall back to the runtime's default locale.
Collator Internationalization JavaScript Method


The DataView view provides a low-level interface for reading and writing multiple number types in an ArrayBuffer irrespective of the platform's endianness.
Constructor DataView JavaScript TypedArrays


The DataView.prototype property represents the prototype for the DataView object.
DataView JavaScript Property


The Date.parse() method parses a string representation of a date, and returns the number of milliseconds since January 1, 1970, 00:00:00 UTC or NaN if the string is unrecognised or, in some cases, contains illegal date values (e.g. 2015-02-31).
Date JavaScript Method Reference


The Date.UTC() method accepts the same parameters as the longest form of the constructor, and returns the number of milliseconds in a Date object since January 1, 1970, 00:00:00, universal time.
Date JavaScript Method Reference


The Intl.DateTimeFormat object is a constructor for objects that enable language sensitive date and time formatting.
DateTimeFormat Internationalization JavaScript


The Error constructor creates an error object. Instances of Error objects are thrown when runtime errors occur. The Error object can also be used as a base object for user-defined exceptions. See below for standard built-in error types.
Error JavaScript Reference


The columnNumber property contains the column number in the line of the file that raised this error.
Error JavaScript Property Prototype


The fileName property contains the path to the file that raised this error.
Error JavaScript Property Prototype


The message property is a human-readable description of the error.
Error JavaScript Property Prototype

The name property represents a name for the type of error. The initial value is "Error".
Error JavaScript Property Prototype


The Error.prototype property represents the prototype for the Error constructor.
Error JavaScript Property


The toSource() method returns code that could eval to the same error.
Error JavaScript Method Prototype


The toString() method returns a string representing the specified Error object.
Error JavaScript Method Prototype


The EvalError object indicates an error regarding the global eval() function. This exception is not thrown by JavaScript anymore, however the EvalError object remains for compatibility.
Error EvalError JavaScript Reference


The EvalError.prototype property represents the prototype of the EvalError constructor.
Error EvalError JavaScript Property


The Float32Array typed array represents an array of 32-bit floating point numbers (corresponding to the C float data type) in the platform byte order. If control over byte order is needed, use DataView instead. The contents are initialized to 0. 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).
Constructor JavaScript TypedArray TypedArrays


The SIMD.Float32x4 data type is a 128-bit vector divided into 4 lanes storing single precision floating point values.
Experimental JavaScript SIMD