安科网
源代码：
点击运行
<!DOCTYPE html> <html> <body> <ul><li>Coffee</li><li>Tea</li></ul> <p id="demo">Click the button to make changes to a list item, using the createDocumentFragment method, then appending the list item as the last child of the list.</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { var d=document.createDocumentFragment(); d.appendChild(document.getElementsByTagName("LI")[0]); d.childNodes[0].childNodes[0].nodeValue="Milk"; document.getElementsByTagName("UL")[0].appendChild(d); }; </script> </body> </html>
运行结果
Copyright © 2013 - 2019 Ancii.com All Rights Reserved
京ICP备18063983号-5
京公网安备11010802014868号