IT Interview Questions

41.  When a JavaScript object is sent to Java, the runtime engine creates a Java wrapper of type ___________

A.  ScriptObject

B.  JSObject

C.  JavaObject

D.  Jobject

 

42.  _______ class provides an interface for invoking JavaScript methods and examining JavaScript properties.

A.  ScriptObject

B.  JSObject

C.  JavaObject

D.  Jobject

 

43.  _________ is a wrapped Java array, accessed from within JavaScript code.

A.  JavaArray

B.   JavaClass

C.  JavaObject

D.  JavaPackage

               

44. A ________ object is a reference to one of the classes in a Java package, such as netscape.javascript .

A.  JavaArray

B.  JavaClass

C.  JavaObject

D.  JavaPackage

 

45.  The JavaScript exception is available to the Java code as an instance of __________

A.  netscape.javascript.JSObject

B.  netscape.javascript.JSException

C.  netscape.plugin.JSException

D.  None of the above

 

46. To automatically open the console when a JavaScript error occurs which of the following is added to prefs.js?

A.  user_pref(” javascript.console.open_on_error”, false);

B.   user_pref(”javascript.console.open_error “, true);

C.  user_pref(”javascript.console.open_error “, false);

D.   user_pref(”javascript.console.open_on_error”, true);

 

47.  To open a dialog box each time an error occurs, which of the following is added to prefs.js?

A.  user_pref(”javascript.classic.error_alerts”, true);

B.   user_pref(”javascript.classic.error_alerts “, false);

C.  user_pref(”javascript.console.open_on_error “, true);

D.  user_pref(”javascript.console.open_on_error “, false);

 

48.  The syntax of a blur method in a button object is ______________

A.  Blur()

B.   Blur(contrast)

C.  Blur(value)

D.  Blur(depth)

 

49.  The syntax of capture events method for document object is ______________

A.  captureEvents()

B.   captureEvents(args eventType)

C.  captureEvents(eventType)

D.  captureEvents(eventVal)

 

50.  The syntax of close method for document object is ______________

A.  Close(doc)

B.   Close(object)

C.  Close(val)

D.  Close()