先看效果如下
目录如下
//index.html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width">
<title>笑话生成器</title>
<link rel="stylesheet" href="style.css">
<script src="ui.js" defer></script>
<script src="main.js" defer></script>
</head>
<body>
<div>
<label for="customname" id="lbl-customname">请输入自定义的名字：</label>
<input id="customname" type="text" placeholder="李雷">
</div>
<div>
<label for="cn" id="lbl-cn">中国</label>
<input id="cn" type="radio" name="country" value="cn" checked>
<label for="us" id="lbl-us">美国</label>
<input id="us" type="radio" name="country" value="us">
<label for="uk" id="lbl-uk">英国</label>
<input id="uk" type="radio" name="country" value="uk">
</div>
<div>
<button class="randomize">随机生成笑话</button>
</div>
<p class="story"></p>
</body>
</html>
//main.js
const customName = document.getElementById('customname');
const randomize = document.querySelector('.randomize');
const story = document.querySelector('.story');
function randomValueFromArray(array){
const random = Math.floor(Math.random()*array.length);
return array[random];
}
const storyText = 'It was 94 fahrenheit outside, so :insertx: went for a walk. When they got to :inserty:, they stared in horror for a few moments, then :insertz:. Bob saw the whole thing, but was not surprised — :insertx: weighs 300 pounds, and it was a hot day.';
const insertX = ['Willy the Goblin','Big Daddy','Father Christmas'];
const insertY = ['the soup kitchen','Disneyland','the White House'];
const insertZ = ['spontaneously combusted','melted into a puddle on the sidewalk','turned into a slug and crawled away'];
const storyTextZh = '外边有34度，于是:inserta:出去遛弯。当走到:insertb:时他们被眼前的景象惊呆了，然后就:insertc:。李雷全程目睹但他并没有慌，因为:inserta:是一个270斤的胖子，天气又辣么热。';
const insertA = ['怪兽威利', '大老爹', '圣诞老人'];
const insertB = ['救助站', '迪士尼乐园', '白宫'];
const insertC = ['自燃了', '在人行道化成了一坨泥', '变成一条鼻涕虫爬走了'];
randomize.addEventListener('click', result);
function result() {
let newStory, xItem, yItem, zItem, name;
if (document.getElementById('cn').checked) {
newStory = storyTextZh;
xItem = randomValueFromArray(insertA);
yItem = randomValueFromArray(insertB);
zItem = randomValueFromArray(insertC);
newStory = newStory.replace(':inserta:', xItem);
newStory = newStory.replace(':inserta:', xItem);
newStory = newStory.replace(':insertb:', yItem);
newStory = newStory.replace(':insertc:', zItem);
if (customName.value !== '') {
name = customName.value;
newStory = newStory.replace('李雷', name);
}
} else {
newStory = storyText;
xItem = randomValueFromArray(insertX);
yItem = randomValueFromArray(insertY);
zItem = randomValueFromArray(insertZ);
newStory = newStory.replace(':insertx:', xItem);
newStory = newStory.replace(':insertx:', xItem);
newStory = newStory.replace(':inserty:', yItem);
newStory = newStory.replace(':insertz:', zItem);
if (customName.value !== '') {
name = customName.value;
newStory = newStory.replace('Bob', name);
}
if (document.getElementById("uk").checked) {
const weight = Math.round(300 * 0.0714286) + ' stone';
const temperature = Math.round((94 - 32) * 5 / 9) + ' centigrade';
newStory = newStory.replace('94 fahrenheit', temperature);
newStory = newStory.replace('300 pounds', weight);
}
}
story.textContent = newStory;
story.style.visibility = 'visible';
}
//style.css
body {
font-family: helvetica, sans-serif;
width: 350px;
border: 1px solid;
padding: 1em;
}
label {
font-weight: bold;
}
div {
padding-bottom: 20px;
}
input[type="text"] {
padding: 5px;
width: 150px;
}
p {
background: #FFC125;
color: #5E2612;
padding: 10px;
visibility: hidden;
}
//ui.js
document.getElementById('cn').onclick = () => {
document.title = '笑话生成器';
document.getElementById('lbl-customname').textContent = '请输入自定义的名字：';
document.getElementById('lbl-cn').textContent = '中国';
document.getElementById('lbl-us').textContent = '美国';
document.getElementById('lbl-uk').textContent = '英国';
document.getElementById('customname').placeholder = '李雷';
document.querySelector('.randomize').textContent = '随机生成笑话';
};
document.getElementById('us').onclick =
document.getElementById('uk').onclick = () => {
document.title = 'Silly story generator';
document.getElementById('lbl-customname').textContent = 'Enter custom name:';
document.getElementById('lbl-cn').textContent = 'CN';
document.getElementById('lbl-us').textContent = 'US';
document.getElementById('lbl-uk').textContent = 'UK';
document.getElementById('customname').placeholder = 'Bob';
document.querySelector('.randomize').textContent = 'Generate random story';
};