Which of the following is the correct method to use, in order to know the name of both the Object and Object Class in JavaScript?

What is the purpose of while(1) in the following JSON response? while(1);[['u',[['smsSentFlag','false'],['hideInvitations','false'],['remindOnRespondedEventsOnly','true'],['hideInvitations_remindOnRespondedEventsOnly','false_true'],['Calendar ID stripped for privacy','false'],['smsVerifiedFlag','true']]]]

Which statement about the ‘new’ keyword is incorrect?

Which are correct closure functions?

Final value of the variable apt? Var apt=2; Apt=apt<<2;

Consider the following scenario: Image thumbnails are displayed on a page. Upon clicking a thumbnail, the image is displayed in its actual size. The thumbnails aren't clickable, unless they are completely downloaded. What event can be used to prevent the user from clicking on the thumbnails until they are completely downloaded?

How would you randomly choose an element from an array named myStuff if the number of elements changes dynamically?

Which is not a valid string method?

Which is not a valid HTML event?

What's the output? var vName='Kodak Camera' vName.indexOf('Camera')