Test for HTMLTextAreaElement.textLength
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS textArea.textLength is 0
PASS textArea.textLength is 4
PASS textArea.textLength is 5
PASS textArea.textLength is 2
PASS textArea.textLength is 2
PASS successfullyParsed is true
TEST COMPLETE