The backtracking child combinator with tail cases

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


Backtracking with tail, tag name matching failed. Restart with the backtracking start element.
PASS getComputedStyle(document.getElementById("target1")).backgroundColor is "rgb(1, 2, 3)"
Backtracking with tail, tag name matching failed. Restart with the backtracking start element. And fails.
PASS getComputedStyle(document.getElementById("target2")).backgroundColor is "rgb(0, 0, 0)"
Backtracking with tail, others matching failed. Restart with the backtracking start element.
PASS getComputedStyle(document.getElementById("target3")).backgroundColor is "rgb(4, 5, 6)"
Backtracking with tail, others matching failed. Restart with the backtracking start element. And fails.
PASS getComputedStyle(document.getElementById("target4")).backgroundColor is "rgb(0, 0, 0)"
PASS successfullyParsed is true

TEST COMPLETE