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ChakraからCOMやVARIANTが消えたために、またやり直しだ。こちらが主流になると思われる。
以下はC++によるArrayとMapへの操作例。

#include "stdafx.h"

#define _JSRT_

#include "ChakraCore.h"
#include  

#include  

#include 
#pragma comment (lib, "chakracore")

using namespace std;
// array

int main()

{

    JsRuntimeHandle runtime;

	JsContextRef context;

	JsValueRef result;

	unsigned currentSourceContext = 0;
	// Your script, try replace the basic hello world with something else

	wstring script = L"(()=>{ var a = [1,2,3]; return a;})()"; // <-- array
	// Create a runtime. 

	JsCreateRuntime(JsRuntimeAttributeNone, nullptr, &runtime);
	// Create an execution context. 

	JsCreateContext(runtime, &context);
	// Now set the execution context as being the current one on this thread.

	JsSetCurrentContext(context);
	// Run the script.

	JsRunScript(script.c_str(), currentSourceContext++, L"", &result);
	JsValueType ty;

	auto ret = JsGetValueType(result, &ty ); // 8: JsArray
	JsValueRef jsobj;

	ret = JsConvertValueToObject(result, &jsobj );

	

	

	JsValueRef xnm;

	JsGetOwnPropertyNames( jsobj, &xnm );

	JsValueRef lengthName,lengthValue;

	ret = JsGetPropertyIdFromName(L"length", &lengthName);

	ret = JsGetProperty(xnm, lengthName, &lengthValue);

	int count;

	JsNumberToInt(lengthValue, &count);

	

	wcout << L'[';

	for( int i = 0; i < count-1; i++ )

	{

		JsValueRef  index;

		JsIntToNumber(i, &index );
		JsValueRef IndexedProperty;

		JsGetIndexedProperty(jsobj, index, &IndexedProperty );

		

		JsValueRef itemref;

		JsConvertValueToString( IndexedProperty, &itemref );
		WCHAR* cb; UINT len;

		ret = JsStringToPointer( itemref, (const wchar_t**)&cb, &len );
		wcout << cb << L',';

		

	}

	wcout << L']' << endl;
	// output is [1,2,3].
	system("pause");
	// Dispose runtime

	JsSetCurrentContext(JS_INVALID_REFERENCE);

	JsDisposeRuntime(runtime);




return 0;

}


// map

int main()

{

    JsRuntimeHandle runtime;

	JsContextRef context;

	JsValueRef result;

	unsigned currentSourceContext = 0;
	// Your script, try replace the basic hello world with something else

	wstring script = L"(()=>{ var a = { 'tokyo':'03', 'yokohama':'045', 'oosaka':'06'}; return a;})()"; // <-- map

	// Create a runtime. 

	JsCreateRuntime(JsRuntimeAttributeNone, nullptr, &runtime);
	// Create an execution context. 

	JsCreateContext(runtime, &context);
	// Now set the execution context as being the current one on this thread.

	JsSetCurrentContext(context);
	// Run the script.

	JsRunScript(script.c_str(), currentSourceContext++, L"", &result);
	JsValueRef jsobj;

	JsValueType ty;

	auto ret = JsGetValueType(result, &ty ); // 5: JsObject
	ret = JsConvertValueToObject(result, &jsobj );

	

	JsValueRef xnm;

	JsGetOwnPropertyNames( jsobj, &xnm );

	JsValueRef lengthName,lengthValue;

	ret = JsGetPropertyIdFromName(L"length", &lengthName);

	ret = JsGetProperty(xnm, lengthName, &lengthValue);

	int count;

	JsNumberToInt(lengthValue, &count);
	//wstring si [] = { L"tokyo",L"yokohama",L"oosaka" };
	std::vector si;

	for (int i = 0; i < count; i++)

	{

		JsValueRef  index;

		JsIntToNumber(i, &index);

		JsValueRef IndexedProperty;

		ret = JsGetIndexedProperty(xnm, index, &IndexedProperty);
		JsValueRef itemref;

		JsConvertValueToString(IndexedProperty, &itemref);
		WCHAR* cb; UINT len;

		JsStringToPointer(itemref, (const wchar_t**) &cb, &len);
		si.push_back(cb); // tokyo,yokohama,oosaka

	}
	wcout << L'{';

	for (int i = 0; i < count; i++)

	{

		JsValueRef  index;

		JsPointerToString(si[i].c_str(), si[i].length(), &index);
		JsValueRef IndexedProperty;

		JsGetIndexedProperty(jsobj, index, &IndexedProperty );

		

		JsValueRef itemref;

		JsConvertValueToString( IndexedProperty, &itemref );
		WCHAR* cb; UINT len;

		ret = JsStringToPointer( itemref, (const wchar_t**)&cb, &len );
		wcout << si[i] <<  ':' << cb << L',';		

	}

	wcout << L'}' << endl;
	// output is "tokyo:03,yokohama:045,oosaka:06,"

	

	system("pause");
	// Dispose runtime

	JsSetCurrentContext(JS_INVALID_REFERENCE);

	JsDisposeRuntime(runtime);




return 0;

}