| handlesAlerts | Test.WebDriver.Capabilities, Test.WebDriver.Types, Test.WebDriver |
| HasCapabilities | Test.WebDriver.Capabilities |
| hasExtension | Test.WebDriver.Common.Profile, Test.WebDriver.Firefox.Profile |
| hasFile | Test.WebDriver.Common.Profile, Test.WebDriver.Firefox.Profile |
| histRequest | Test.WebDriver.Session.History, Test.WebDriver.Session, Test.WebDriver |
| histResponse | Test.WebDriver.Session.History, Test.WebDriver.Session, Test.WebDriver |
| histRetryCount | Test.WebDriver.Session.History, Test.WebDriver.Session, Test.WebDriver |
| HTMLUnit | Test.WebDriver.Capabilities, Test.WebDriver.Types, Test.WebDriver |
| htmlUnit | Test.WebDriver.Capabilities |
| HTTPConnError | |
| 1 (Type/Class) | Test.WebDriver.Exceptions, Test.WebDriver.Types, Test.WebDriver |
| 2 (Data Constructor) | Test.WebDriver.Exceptions, Test.WebDriver.Types, Test.WebDriver |
| httpProxy | Test.WebDriver.Capabilities, Test.WebDriver.Types, Test.WebDriver |
| HTTPStatusUnknown | |
| 1 (Type/Class) | Test.WebDriver.Exceptions, Test.WebDriver.Types, Test.WebDriver |
| 2 (Data Constructor) | Test.WebDriver.Exceptions, Test.WebDriver.Types, Test.WebDriver |