Test the style.length of an element with a border-image. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". border-image PASS testElement.style.length is 5 PASS testElement.style.length is 5 PASS testElement.style.length is 5 PASS testElement.style.length is 0 -webkit-border-image PASS testElement.style.length is 1 PASS testElement.style.length is 1 PASS testElement.style.length is 1 PASS testElement.style.length is 0 -webkit-mask-box-image PASS testElement.style.length is 5 PASS testElement.style.length is 5 PASS testElement.style.length is 5 PASS testElement.style.length is 0 PASS successfullyParsed is true TEST COMPLETE