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<!DOCTYPE html> <html> <body> <h1>noscript 元素</h1> <p>禁用 JavaScript 的浏览器将显示 noscript 元素内的文本（“Hello World!”将不会显示）。</p> <script> document.write("Hello World!") </script> <noscript>抱歉，您的浏览器不支持 JavaScript！</noscript> </body> </html>