W3School TIY
编辑您的代码：
<!DOCTYPE html> <html> <body> <h1 id="myH1"></h1> <p id="myP"></p> <script> /* document.getElementById("myH1").innerHTML="Welcome to my Homepage"; document.getElementById("myP").innerHTML="This is my first paragraph."; */ </script> <p><b>注释：</b>注释块不会被执行。</p> </body> </html>
查看结果: