This tests that -webkit-alt applies to text and image content in CSS styles, and that it makes it to accessibility. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". Test1 - webkit-alt on image content with attr() function AXRole: AXImage AXDescription: ALTERNATIVE CONTENT TEST1 AXTitle: AXValue: Test2 - webkit-alt on image content that is a string AXRole: AXImage AXDescription: ALTERNATIVE CONTENT TEST2 AXTitle: AXValue: Test3 - webkit-alt on image content that is an empty string - representing that it should be ignored. AXRole: AXDescription: AXTitle: AXValue: Test4 - webkit-alt on text content AXRole: AXStaticText AXDescription: AXTitle: AXValue: ALTERNATIVE CONTENT TEST4 Test5 - webkit-alt on text content that is an empty string - representing that is should be ignored. AXRole: AXStaticText AXDescription: AXTitle: AXValue: test5 Test6 - webkit-alt on text content that uses the attr() function. AXRole: AXStaticText AXDescription: AXTitle: AXValue: ALTERNATIVE CONTENT TEST6 WebKitAlt accessed through Javascript: "ALTERNATIVE CONTENT TEST2" Test7 - webkit-alt does not apply to DOM nodes. AXRole: AXImage AXDescription: This is the right text AXTitle: AXValue: PASS successfullyParsed is true TEST COMPLETE