To someone on the Internet or another outside network, it appears that all information is coming from a single computer when ____ is used.

A constructor that has no parameters is called the ____.

A. Property procedure B. default constructor C. parameterized constructor D. Set block

A(n) _________ observes events as they propagate through the capture, target, and bubble phases, allowing the script to respond to an event within any phase.

Fill in the blank(s) with the appropriate word(s).