W3School TIY
编辑您的代码：
<!DOCTYPE html> <html> <body> <p id="myP" contenteditable="true">请点击按钮来检查本元素是否可编辑。</p> <button onclick="myFunction()">试一下</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myP").isContentEditable; document.getElementById("demo").innerHTML = x + " = p 元素可编辑。如需查看效果，请尝试改变其文本。"; } </script> </body> </html>
查看结果: