<!DOCTYPE html> <html> <body> <h1>HTML DOM Attributes</h1> <h2>value 属性</h2> <p>value 属性返回属性的值:</p> <p id="demo"></p> <script> const element = document.getElementById("demo"); let value = element.attributes[0].value; document.getElementById("demo").innerHTML = value; </script> </body> </html>