Consider the following code snippet:
new Effect.Scale("id1", arg2);
Which attribute(s) is id1 element scaled to?

Which options is/are valid element(s) of the function-Form.Element.present(element);

Which of the following is/are a valid callback of core effects?

What is the result of the following code snippet? [1, 2, 3, 4, 5].map( function(num) { return num * num; } );

Which method allows you to add a new instance of method to a class after that class has been defined?

What is the difference between the names of native browser events and prototype custom events?

The callback function in options of Ajax.Autocomplete() is called ___ the request is actually made.

Consider the following code snippet: new Effect.Scale(agr1, arg2); What is arg2 parameter?

If you want to make an Ajax request using xml instead of the regular URL-encoded format, which option parameter do you have to change?

What is the result of the following function? function a() {    var x = 10;  return x.toPaddedString(4); }

Which function returns the element that occurred?