HTMLInputElement size attribute test On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS input.size is 20 PASS input.setAttribute('size', '-1'); input.size is 20 PASS input.removeAttribute('size'); input.size is 20 PASS input.setAttribute('size', '1'); input.size is 1 PASS input.setAttribute('size', '2'); input.size is 2 PASS input.removeAttribute('size'); input.size is 20 PASS input.setAttribute('size', 'a'); input.size is 20 PASS input.removeAttribute('size'); input.size is 20 PASS input.setAttribute('size', '0'); input.size is 20 PASS input.setAttribute('size', '10'); input.size is 10 PASS input.size = 0 threw exception Error: IndexSizeError: DOM Exception 1. PASS successfullyParsed is true TEST COMPLETE