W3School TIY
编辑您的代码：
<!DOCTYPE html> <html> <body> <script type="text/javascript"> document.write("Hello World!") </script> <noscript>Sorry, your browser does not support JavaScript!</noscript> <p>不支持 JavaScript 的浏览器将显示 noscript 元素中的文本。</p> </body> </html>
查看结果: