Cucumber-JS中的可选参数

Feature: Login Feature
  Scenario: Login with optional parameters
    Given I am on the login page
    When I enter my username "testuser" and password "password" with optional parameters:
      | key     | value      |
      | Language| English    |
      | Theme   | Dark       |
    Then I should be logged in

Step Definitions:
Given('I am on the login page', function () {
  // Code to navigate to the login page
});

When('I enter my username {string} and password {string} with optional parameters:', function (username, password, table) {
  // Code to enter username and password
  // Code to handle optional parameters from the table
});

Then('I should be logged in', function () {
  // Code to validate login
});