v8::Value Class Reference

#include <v8.h>

Inheritance diagram for v8::Value:

Public Member Functions
V8_INLINE bool	IsUndefined () const
V8_INLINE bool	IsNull () const
V8_INLINE bool	IsNullOrUndefined () const
bool	IsTrue () const
bool	IsFalse () const
bool	IsName () const
V8_INLINE bool	IsString () const
bool	IsSymbol () const
bool	IsFunction () const
bool	IsArray () const
bool	IsObject () const
bool	IsBigInt () const
bool	IsBoolean () const
bool	IsNumber () const
bool	IsExternal () const
bool	IsInt32 () const
bool	IsUint32 () const
bool	IsDate () const
bool	IsArgumentsObject () const
bool	IsBigIntObject () const
bool	IsBooleanObject () const
bool	IsNumberObject () const
bool	IsStringObject () const
bool	IsSymbolObject () const
bool	IsNativeError () const
bool	IsRegExp () const
bool	IsAsyncFunction () const
bool	IsGeneratorFunction () const
bool	IsGeneratorObject () const
bool	IsPromise () const
bool	IsMap () const
bool	IsSet () const
bool	IsMapIterator () const
bool	IsSetIterator () const
bool	IsWeakMap () const
bool	IsWeakSet () const
bool	IsArrayBuffer () const
bool	IsArrayBufferView () const
bool	IsTypedArray () const
bool	IsUint8Array () const
bool	IsUint8ClampedArray () const
bool	IsInt8Array () const
bool	IsUint16Array () const
bool	IsInt16Array () const
bool	IsUint32Array () const
bool	IsInt32Array () const
bool	IsFloat32Array () const
bool	IsFloat64Array () const
bool	IsBigInt64Array () const
bool	IsBigUint64Array () const
bool	IsDataView () const
bool	IsSharedArrayBuffer () const
bool	IsProxy () const
bool	IsWebAssemblyCompiledModule () const
bool	IsModuleNamespaceObject () const
V8_WARN_UNUSED_RESULT MaybeLocal< BigInt >	ToBigInt (Local< Context > context) const
V8_WARN_UNUSED_RESULT MaybeLocal< Boolean >	ToBoolean (Local< Context > context) const
V8_WARN_UNUSED_RESULT MaybeLocal< Number >	ToNumber (Local< Context > context) const
V8_WARN_UNUSED_RESULT MaybeLocal< String >	ToString (Local< Context > context) const
V8_WARN_UNUSED_RESULT MaybeLocal< String >	ToDetailString (Local< Context > context) const
V8_WARN_UNUSED_RESULT MaybeLocal< Object >	ToObject (Local< Context > context) const
V8_WARN_UNUSED_RESULT MaybeLocal< Integer >	ToInteger (Local< Context > context) const
V8_WARN_UNUSED_RESULT MaybeLocal< Uint32 >	ToUint32 (Local< Context > context) const
V8_WARN_UNUSED_RESULT MaybeLocal< Int32 >	ToInt32 (Local< Context > context) const
	V8_DEPRECATE_SOON ("Use maybe version", Local< Boolean > ToBoolean(Isolate *isolate) const)
	V8_DEPRECATE_SOON ("Use maybe version", Local< Number > ToNumber(Isolate *isolate) const)
	V8_DEPRECATE_SOON ("Use maybe version", Local< String > ToString(Isolate *isolate) const)
	V8_DEPRECATE_SOON ("Use maybe version", Local< Object > ToObject(Isolate *isolate) const)
	V8_DEPRECATE_SOON ("Use maybe version", Local< Integer > ToInteger(Isolate *isolate) const)
	V8_DEPRECATE_SOON ("Use maybe version", Local< Int32 > ToInt32(Isolate *isolate) const)
	V8_DEPRECATE_SOON ("Use maybe version", Local< Boolean > ToBoolean() const)
	V8_DEPRECATE_SOON ("Use maybe version", Local< String > ToString() const)
	V8_DEPRECATE_SOON ("Use maybe version", Local< Object > ToObject() const)
	V8_DEPRECATE_SOON ("Use maybe version", Local< Integer > ToInteger() const)
V8_WARN_UNUSED_RESULT MaybeLocal< Uint32 >	ToArrayIndex (Local< Context > context) const
V8_WARN_UNUSED_RESULT Maybe< bool >	BooleanValue (Local< Context > context) const
V8_WARN_UNUSED_RESULT Maybe< double >	NumberValue (Local< Context > context) const
V8_WARN_UNUSED_RESULT Maybe< int64_t >	IntegerValue (Local< Context > context) const
V8_WARN_UNUSED_RESULT Maybe< uint32_t >	Uint32Value (Local< Context > context) const
V8_WARN_UNUSED_RESULT Maybe< int32_t >	Int32Value (Local< Context > context) const
	V8_DEPRECATE_SOON ("Use maybe version", bool BooleanValue() const)
	V8_DEPRECATE_SOON ("Use maybe version", double NumberValue() const)
	V8_DEPRECATE_SOON ("Use maybe version", int64_t IntegerValue() const)
	V8_DEPRECATE_SOON ("Use maybe version", uint32_t Uint32Value() const)
	V8_DEPRECATE_SOON ("Use maybe version", int32_t Int32Value() const)
	V8_DEPRECATE_SOON ("Use maybe version", bool Equals(Local< Value > that) const)
V8_WARN_UNUSED_RESULT Maybe< bool >	Equals (Local< Context > context, Local< Value > that) const
bool	StrictEquals (Local< Value > that) const
bool	SameValue (Local< Value > that) const
Local< String >	TypeOf (Isolate *)
Maybe< bool >	InstanceOf (Local< Context > context, Local< Object > object)
template<class T >
Value *	Cast (T *value)

Static Public Member Functions
template<class T >
static V8_INLINE Value *	Cast (T *value)

Detailed Description

The superclass of all JavaScript values and objects.

Member Function Documentation

IsArgumentsObject()

bool v8::Value::IsArgumentsObject

(

)

const

Returns true if this value is an Arguments object.

IsArray()

bool v8::Value::IsArray

(

)

const

Returns true if this value is an array. Note that it will return false for an Proxy for an array.

IsArrayBuffer()

bool v8::Value::IsArrayBuffer

(

)

const

Returns true if this value is an ArrayBuffer.

IsArrayBufferView()

bool v8::Value::IsArrayBufferView

(

)

const

Returns true if this value is an ArrayBufferView.

IsAsyncFunction()

bool v8::Value::IsAsyncFunction

(

)

const

Returns true if this value is an async function.

IsBigInt()

bool v8::Value::IsBigInt

(

)

const

Returns true if this value is a bigint.

IsBigInt64Array()

bool v8::Value::IsBigInt64Array

(

)

const

Returns true if this value is a BigInt64Array.

IsBigIntObject()

bool v8::Value::IsBigIntObject

(

)

const

Returns true if this value is a BigInt object.

IsBigUint64Array()

bool v8::Value::IsBigUint64Array

(

)

const

Returns true if this value is a BigUint64Array.

IsBoolean()

bool v8::Value::IsBoolean

(

)

const

Returns true if this value is boolean.

IsBooleanObject()

bool v8::Value::IsBooleanObject

(

)

const

Returns true if this value is a Boolean object.

IsDataView()

bool v8::Value::IsDataView

(

)

const

Returns true if this value is a DataView.

IsDate()

bool v8::Value::IsDate

(

)

const

Returns true if this value is a Date.

IsExternal()

bool v8::Value::IsExternal

(

)

const

Returns true if this value is external.

IsFalse()

bool v8::Value::IsFalse

(

)

const

Returns true if this value is false.

IsFloat32Array()

bool v8::Value::IsFloat32Array

(

)

const

Returns true if this value is a Float32Array.

IsFloat64Array()

bool v8::Value::IsFloat64Array

(

)

const

Returns true if this value is a Float64Array.

IsFunction()

bool v8::Value::IsFunction

(

)

const

Returns true if this value is a function.

IsGeneratorFunction()

bool v8::Value::IsGeneratorFunction

(

)

const

Returns true if this value is a Generator function.

IsGeneratorObject()

bool v8::Value::IsGeneratorObject

(

)

const

Returns true if this value is a Generator object (iterator).

IsInt16Array()

bool v8::Value::IsInt16Array

(

)

const

Returns true if this value is an Int16Array.

IsInt32()

bool v8::Value::IsInt32

(

)

const

Returns true if this value is a 32-bit signed integer.

IsInt32Array()

bool v8::Value::IsInt32Array

(

)

const

Returns true if this value is an Int32Array.

IsInt8Array()

bool v8::Value::IsInt8Array

(

)

const

Returns true if this value is an Int8Array.

IsMap()

bool v8::Value::IsMap

(

)

const

Returns true if this value is a Map.

IsMapIterator()

bool v8::Value::IsMapIterator

(

)

const

Returns true if this value is a Map Iterator.

IsModuleNamespaceObject()

bool v8::Value::IsModuleNamespaceObject

(

)

const

Returns true if the value is a Module Namespace Object.

IsName()

bool v8::Value::IsName

(

)

const

Returns true if this value is a symbol or a string.

IsNativeError()

bool v8::Value::IsNativeError

(

)

const

Returns true if this value is a NativeError.

IsNull()

bool v8::Value::IsNull

(

)

const

Returns true if this value is the null value. See ECMA-262 4.3.11.

IsNullOrUndefined()

bool v8::Value::IsNullOrUndefined

(

)

const

Returns true if this value is either the null or the undefined value. See ECMA-262 4.3.11. and 4.3.12

IsNumber()

bool v8::Value::IsNumber

(

)

const

Returns true if this value is a number.

IsNumberObject()

bool v8::Value::IsNumberObject

(

)

const

Returns true if this value is a Number object.

IsObject()

bool v8::Value::IsObject

(

)

const

Returns true if this value is an object.

IsPromise()

bool v8::Value::IsPromise

(

)

const

Returns true if this value is a Promise.

IsProxy()

bool v8::Value::IsProxy

(

)

const

Returns true if this value is a JavaScript Proxy.

IsRegExp()

bool v8::Value::IsRegExp

(

)

const

Returns true if this value is a RegExp.

IsSet()

bool v8::Value::IsSet

(

)

const

Returns true if this value is a Set.

IsSetIterator()

bool v8::Value::IsSetIterator

(

)

const

Returns true if this value is a Set Iterator.

IsSharedArrayBuffer()

bool v8::Value::IsSharedArrayBuffer

(

)

const

Returns true if this value is a SharedArrayBuffer. This is an experimental feature.

IsString()

bool v8::Value::IsString

(

)

const

Returns true if this value is an instance of the String type. See ECMA-262 8.4.

IsStringObject()

bool v8::Value::IsStringObject

(

)

const

Returns true if this value is a String object.

IsSymbol()

bool v8::Value::IsSymbol

(

)

const

Returns true if this value is a symbol.

IsSymbolObject()

bool v8::Value::IsSymbolObject

(

)

const

Returns true if this value is a Symbol object.

IsTrue()

bool v8::Value::IsTrue

(

)

const

Returns true if this value is true.

IsTypedArray()

bool v8::Value::IsTypedArray

(

)

const

Returns true if this value is one of TypedArrays.

IsUint16Array()

bool v8::Value::IsUint16Array

(

)

const

Returns true if this value is an Uint16Array.

IsUint32()

bool v8::Value::IsUint32

(

)

const

Returns true if this value is a 32-bit unsigned integer.

IsUint32Array()

bool v8::Value::IsUint32Array

(

)

const

Returns true if this value is an Uint32Array.

IsUint8Array()

bool v8::Value::IsUint8Array

(

)

const

Returns true if this value is an Uint8Array.

IsUint8ClampedArray()

bool v8::Value::IsUint8ClampedArray

(

)

const

Returns true if this value is an Uint8ClampedArray.

IsUndefined()

bool v8::Value::IsUndefined

(

)

const

Returns true if this value is the undefined value. See ECMA-262 4.3.10.

IsWeakMap()

bool v8::Value::IsWeakMap

(

)

const

Returns true if this value is a WeakMap.

IsWeakSet()

bool v8::Value::IsWeakSet

(

)

const

Returns true if this value is a WeakSet.

ToArrayIndex()

V8_WARN_UNUSED_RESULT MaybeLocal<Uint32> v8::Value::ToArrayIndex

(

Local< Context >

context

)

const

Attempts to convert a string to an array index. Returns an empty handle if the conversion fails.

V8_DEPRECATE_SOON()

v8::Value::V8_DEPRECATE_SOON	(	"Use maybe version"	,
		bool Equals(Local< Value > that)	const
	)

JS ==

---

The documentation for this class was generated from the following file:

• v8/include/v8.h