1 Various tests for the hidden attribute.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
7 Tests that hidden in markup works:
10 Tests that dynamically adding/removing hidden works:
11 PASS - this line should appear
13 Dynamic changing of hidden and effects on style:
14 PASS getComputedStyle(test3, false).display is "none"
15 test3.removeAttribute("hidden")
16 PASS getComputedStyle(test3, false).display is "block"
17 PASS getComputedStyle(test4, false).display is "block"
18 test4.setAttribute("hidden", "")
19 PASS getComputedStyle(test4, false).display is "none"
21 PASS successfullyParsed is true