What does the statement $("item1", "item2", "item3"); return?

Consider the following code snippet: new Ajax.InPlaceEditor('id1', 'save.jsp'); What is the request parameter name of id1 element on server When its value changes?

Which function updates an existing hash?

PeriodicalUpdater updates an element ___.

What is the result of the following code snippet? [1, null, 2, false, 3].partition();

What does cleanWhiteSpace method of element do?

Which methods can you use to make an element droppable?

What will be returned if Event.findElement('click', 'div'); cannot find any elements that match the specified tag?

The number of arguments of Try.these() are ___.

Function.bind(object); will replace ___ variable in function by 'object'.

What does match method of element do?