测验问题

欢迎来到问答节目！🎤

一个问题，一个答案 ❓

let q = { question: "What color is the sky?", answer: "blue" }
console.log(q.question)

读取答案 🔑

let q = { question: "2 + 2 = ?", answer: "4" }
console.log("Answer is:", q.answer)

列表中的多个问题 📝

let quiz = [
  { question: "Sky color?", answer: "blue" },
  { question: "Grass color?", answer: "green" }
]
console.log("We have " + quiz.length + " questions!")

取出一个问题 👆

let quiz = [
  { question: "Sky color?", answer: "blue" },
  { question: "Grass color?", answer: "green" }
]
console.log(quiz[0].question)

添加选项 🅰️🅱️

let q = {
  question: "What says moo?",
  options: ["dog", "cow", "cat"],
  answer: "cow"
}
console.log(q.options)

显示选项 📋

let options = ["dog", "cow", "cat"]
for (let i = 0; i < options.length; i++) {
  console.log((i + 1) + ". " + options[i])
}

添加新问题 ➕

let quiz = [{ question: "Sky color?", answer: "blue" }]
quiz.push({ question: "Snow color?", answer: "white" })
console.log("Now we have " + quiz.length + " questions!")

有趣的问答主题 🦕

let quiz = [
  { question: "Biggest planet?", answer: "Jupiter" },
  { question: "Closest star to Earth?", answer: "the Sun" }
]
console.log(quiz[1].question)

统计问题总数 🔢

let quiz = [
  { question: "A?", answer: "1" },
  { question: "B?", answer: "2" },
  { question: "C?", answer: "3" }
]
console.log("Total: " + quiz.length + " questions 🎯")

问题准备就绪！✅

let quiz = [
  { question: "What says woof?", options: ["dog", "cat"], answer: "dog" }
]
console.log("Question: " + quiz[0].question)

快速检查 ❓

问题大师！🏅