1 <!DOCTYPE html> 2 <html> 3 4 <head> 5 <meta charset="UTF-8"> 6 <title>使用JS脚本在页面上显示输出</title> 7 </head> 8 9 <body> 10 11 <script type="text/javascript"> 12 document.write("<h1>This is a heading.</h1>"); 13 for (var i = 0; i < 5; i++) { 14 if (i > 0) { 15 document.write("<p>This is a par.</p>"); 16 } else { 17 document.write("<p><strong>This is a par.</strong></p>"); 18 } 19 } 20 </script> 21 22 </body> 23 24 </html>