今天刚才注意到带有html标签的模板文字不起作用,或者我写错了?
我尝试在模板文字中加入p标签(我在代码段中注释掉了),但它没有用。有没有人有任何想法?谢谢!
var blueBtn = document.getElementById('btn');
var aniBox = document.getElementById('animal-info');
blueBtn.addEventListener('click', function() {
var ourRequest = new XMLHttpRequest();
ourRequest.open('GET', 'https://learnwebcode.github.io/json-example/animals-1.json');
ourRequest.onload = function() {
var ourData = JSON.parse(ourRequest.responseText);
addHTML(ourData)
};
ourRequest.send();
});
function addHTML(data) {
var content = '';
for (let i of data) {
console.log(i);
content += '<p>' + i.name + ' is a ' + i.species + '.</p>';
//content += '`<p>${i.name} is a ${i.species}.</p>`'; <--this one doesn't work
}
aniBox.insertAdjacentHTML('beforeend', content);
}
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>JSON and AJAX</title>
</head>
<body>
<header>
<h1>JSON and AJAX</h1>
<button id="btn">Fetch Info for 3 New Animals</button>
</header>
<div id="animal-info"></div>
<script src="js/main.js"></script>
</body>
</html>
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答案 0 :(得分:2)
模板需要用反引号括起来。您不需要再次将模板括在引号中。
你需要改变这个:
'`<p>${i.name} is a ${i.species}.</p>`'
到此:
`<p>${i.name} is a ${i.species}.</p>`
前者只是一个普通的JavaScript字符串,但后者是模板文字语法,它允许插入${ ... }
中的部分。
请参阅以下工作示例:
var blueBtn = document.getElementById('btn');
var aniBox = document.getElementById('animal-info');
blueBtn.addEventListener('click', function() {
var ourRequest = new XMLHttpRequest();
ourRequest.open('GET', 'https://learnwebcode.github.io/json-example/animals-1.json');
ourRequest.onload = function() {
var ourData = JSON.parse(ourRequest.responseText);
addHTML(ourData)
};
ourRequest.send();
});
function addHTML(data) {
var content = '';
for (let i of data) {
console.log(i);
// content += '<p>' + i.name + ' is a ' + i.species + '.</p>';
content += `<p>${i.name} is a ${i.species}.</p>`;
}
aniBox.insertAdjacentHTML('beforeend', content);
}
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>JSON and AJAX</title>
</head>
<body>
<header>
<h1>JSON and AJAX</h1>
<button id="btn">Fetch Info for 3 New Animals</button>
</header>
<div id="animal-info"></div>
<script src="js/main.js"></script>
</body>
</html>
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在文档中阅读有关template literals的更多信息。