The ________ property of the XMLHttpRequest object is the numeric http status code returned by the server.

You can add ________ to a tab stop so that a row of dashes and dots are displayed before the tab stop

A) bars B) leaders C) formatting marks D) decimals

____________________ refers to a set of letters, numbers, and symbols in a unified typeface.

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