仕様書

[1] WebDriver (2017-05-15 16:34:36 +09:00 版) https://w3c.github.io/webdriver/webdriver-spec.html#status

例

[2] ChromeDriver の応答例:

{"sessionId":"","status":0,"value":{"build":{"version":"alpha"},"os":{"arch":"x86_64","name":"Linux","version":"3.16-0.bpo.2-amd64"}}}

[3] GeckoDriver の応答例:

{"value":{"message":"","ready":true}}