51help TIY
码：
<!DOCTYPE html> <html> <body> <p> JavaScript 入 HTML </p> <script> document.write("<h1>This is a heading</h1>"); document.write("<p>This is a paragraph.</p>"); </script> <p> 您只能在 HTML 用 <strong>document.write</strong>。 </p> </body> </html>
查看结果: