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<!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 = "John"; let lastName = "Doe"; let text = `Welcome ${firstName}, ${lastName}!`; document.getElementById("demo").innerHTML = text; </script> </body> </html>