var doc = app.documents.add(); 
var objectOnPage = doc.rectangles.add({geometricBounds: [0,0,100,100]}); 
 
$.writeln( doc.pageItems[0] ); // [object PageItem] 
$.writeln( doc.pageItems[0].getElements()[0] ); // [object Rectangle] 
 
objectOnPage.convertShape( ConvertShapeOptions.CONVERT_TO_OVAL ); 
 
$.writeln( doc.pageItems[0] ); // [object PageItem] 
$.writeln( doc.pageItems[0].getElements()[0] ); // [object Rectangle] 

var doc = app.documents.add();  
var objectOnPage = doc.rectangles.add({geometricBounds: [0,0,100,100]}); 
objectOnPage.convertShape( ConvertShapeOptions.CONVERT_TO_OVAL ); 
doc.rectangles[0].contentType = ContentType.TEXT_TYPE; 
alert(wpsInnerConstructorName(objectOnPage)); 
 
    // DESCRIPTION gets the inner constructor name of an object, e. g. pageItem -> TextFrame, Rectangle ... 
    // Dateiname: wpsInnerConstructorName.jsx 
    // [modified] 
    // created:Fri Aug 25 2017 15:31:53 GMT+0200 
    // for this Script 
    //  © 2017 by Werner Perplies, EDV-Anwendungsberatung,  
    // http://www.weepee.de, email: werner.perplies@weepee.de  
    // #include "C:/Users/WernerPerplies/Source/Workspaces/Singles/wpsInnerConstructorName.jsx"; 
    // [end of header] 
 
 
    // #include "C:/Users/WernerPerplies/Source/Workspaces/Singles/ErrorHandling/wpsHandleError.jsx"; 
 
    /*String*/function wpsInnerConstructorName(/*Object*/o){  
        try 
        { 
            if (typeof(o) != "object")  
            { 
                var r = (typeof o ).toString().split(""); 
                r[0] = r[0].toUpperCase(); 
                return r.join("");  
            } 
            var constructorName = o.constructor.name;  
            if (!("getElements" in o))  
                return constructorName;  
            while (constructorName != o.getElements()[0].constructor.name)  
            {  
                if (!("getElements" in o))  
                    break;  
                o = o.getElements()[0];  
                constructorName = o.constructor.name;  
            } 
            return constructorName;  
        } 
        catch (error) 
        { 
            if (error.number == 21) 
                return "Null"; 
            // throw wpsHandleError(error, $.stack, "wpsInnerConstructorName"); 
            // throw error; 
        } 
    } 

var allObj = app.documents[0].allPageItems; 
var nObj   = allObj.length; 
 
for (var n=nObj-1; n>-1; n--) { 
	try { 
		if (allObj[n].paths[0].pathPoints.length > 4) { 
			allObj[n].remove(); 
		} 
	} 
	catch (e) { 
	} 
}