js获取json文件内容随机抽取输出代码

使用方法

const projectName = "Random-quote-machine";

const colors = [
  "#16a085",
  "#27ae60",
  "#2c3e50",
  "#f39c12",
  "#e74c3c",
  "#9b59b6",
  "#FB6964",
  "#342224",
  "#472E32",
  "#BDBB99",
  "#77B1A9",
  "#73A857",
  "#ff0000",
  "#00ff00",
  "#0000ff",
  "#ffff00",
  "#ff00ff",
  "#00ffff",
  "#ff8800",
  "#ff0088",
  "#00ff88",
  "#88ff00",
  "#0088ff",
  "#8800ff",
];

let currentQuote = "";
let currentAuthor = "";
let quotesData = [];

function getQuotes() {
  return fetch(
    "quotes.json"
  )
    .then((response) => response.json())
    .then((data) => {
      quotesData = data.quotes;
    });
}

function getRandomQuote() {
  return quotesData[Math.floor(Math.random() * quotesData.length)];
}

function getQuote() {
  const randomQuote = getRandomQuote();

  currentQuote = randomQuote.quote;
  currentAuthor = randomQuote.author;

  const tweetQuoteLink = document.getElementById("tweet-quote");
  tweetQuoteLink.href =
    "https://twitter.com/intent/tweet?hashtags=quotes&related=freecodecamp&text=" +
    encodeURIComponent('"' + currentQuote + '" ' + currentAuthor);

  const tumblrQuoteLink = document.getElementById("tumblr-quote");
  tumblrQuoteLink.href =
    "https://www.tumblr.com/widgets/share/tool?posttype=quote&tags=quotes,freecodecamp&caption=" +
    encodeURIComponent(currentAuthor) +
    "&content=" +
    encodeURIComponent(currentQuote) +
    "&canonicalUrl=https%3A%2F%2Fwww.tumblr.com%2Fbuttons&shareSource=tumblr_share_button";

  const quoteText = document.querySelector(".quote-text");
  const textElement = document.getElementById("text");
  quoteText.style.opacity = 0;
  setTimeout(() => {
    quoteText.style.opacity = 1;
    textElement.textContent = randomQuote.quote;
  }, 500);

  const quoteAuthor = document.querySelector(".quote-author");
  const authorElement = document.getElementById("author");
  quoteAuthor.style.opacity = 0;
  setTimeout(() => {
    quoteAuthor.style.opacity = 1;
    authorElement.textContent = randomQuote.author;
  }, 500);

  const color = Math.floor(Math.random() * colors.length);
  const color2 = Math.floor(Math.random() * colors.length);
  document.documentElement.style.backgroundColor = colors[color];
  document.body.style.color = colors[color];
  const buttons = document.querySelectorAll(".button");
  buttons.forEach((button) => {
    button.style.backgroundColor = colors[color];
  });
}

document.addEventListener("DOMContentLoaded", () => {
  getQuotes().then(() => {
    getQuote();
  });

  const newQuoteButton = document.getElementById("new-quote");
  newQuoteButton.addEventListener("click", getQuote);
});