Tests that setting the .length on an HTMLSelectElement works in the presence of DOM mutation listeners that reorder option elements On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS sel.length is 4 PASS sel.length is 2 PASS sel.options.item(0).id is "a" PASS sel.options.item(1).id is "b" PASS successfullyParsed is true TEST COMPLETE