运行 ❯
获取您
自己的
网站
×
更改方向
保存代码
更改主题,深色/浅色
前往 Spaces
<!DOCTYPE html> <html> <body> <h1>The NodeList Object</h1> <h2>The item() Method</h2> <p>I am one.</p> <p>I am two.</p> <p>I am three.</p> <p>The HTML content of the first p element in this document is:</p> <p id="demo"></p> <script> const list = document.getElementsByTagName("p"); let text = list.item(0).innerHTML; document.getElementById("demo").innerHTML = text; </script> </body> </html>