运行 ❯
获取您的
自己
网站
×
更改方向
保存代码
更改主题，深色/浅色
转到 Spaces
<!DOCTYPE html> <html> <body> <p id="demo"></p> <script> var xhttp = new XMLHttpRequest(); xhttp.onreadystatechange = function() { if (this.readyState == 4 && this.status == 200) { myFunction(this); } }; xhttp.open("GET", "books.xml", true); xhttp.send(); function myFunction(xml) { var x, xmlDoc, txt; xmlDoc = xml.responseXML; txt = "Number of book nodes before removeChild(): " + xmlDoc.getElementsByTagName("book").length + "<br>"; x = xmlDoc.getElementsByTagName("book")[0]; x.parentNode.removeChild(x); txt += "Number of book nodes after removeChild(): " + xmlDoc.getElementsByTagName("book").length; document.getElementById("demo").innerHTML = txt; } </script> </body> </html>
