<!DOCTYPE html>
<html>
<body>
<h2>JavaScript 模板字面量</h2>
<p>模板字面量允许字符串中的变量：</p>
<p id="demo"></p>
<p>Internet Explorer 不支持模板字面量。</p>
<script>
let firstName = "Bill";
let lastName = "Gates";
let text = `Welcome ${firstName}, ${lastName}!`;
document.getElementById("demo").innerHTML = text;
</script>
</body>
</html>