登录输入的 Xpath 类型定位器

Xpath type locator for the Login input

我想了解这个,但我有点困惑:

Taking the following login as an example, if we want to identify an xpath type locator for the Login input, what would it be the most appropriate option as a good practice. Note that all of these options work correctly when locating the Login (input) object.

图片:

有人能帮帮我吗?

在以下建议中:

最规范的 选项 b:

//input[@id='user_login']