挑战4 代码测验 源码

代码测验 描述 使用的技术 瞬间 演示版 测试条件和评分标准 用户故事 AS A coding boot camp student I WANT to take a timed quiz on JavaScript fundamentals that stores high scores SO THAT I can gauge my progress compared to my peers 验收标准 GIVEN I am taking a code quiz WHEN I click the start button THEN a timer starts and I am presente