DOM Node物件removeChild()
方法用於從當前節點中刪除指定的子節點。 返回已刪除的節點。
語法
以下是removeChild()
方法的使用語法。
nodeObject.removeChild(Node oldChild)
引數
oldChild
- 指定要刪除的子項,它是Node型別。返回值
範例
檔案:node.xml 的內容如下 -
<Company>
<Employee category = "Technical" id = "firstelement">
<FirstName>Susen</FirstName>
<LastName>Su</LastName>
<ContactNo>1584567890</ContactNo>
<Email>[email protected]</Email>
</Employee>
<Employee category = "Non-Technical">
<FirstName>Max</FirstName>
<LastName>Su</LastName>
<ContactNo>1334667898</ContactNo>
<Email>[email protected]</Email>
</Employee>
<Employee category = "Management">
<FirstName>Min</FirstName>
<LastName>Su</LastName>
<ContactNo>1364562350</ContactNo>
<Email>[email protected]</Email>
</Employee>
</Company>
以下範例演示了removeChild()
方法的用法,檔案:removechild.html -
<!DOCTYPE html>
<html>
<meta charset="utf-8"/>
<head>
<script>
function loadXMLDoc(filename) {
if (window.XMLHttpRequest) {
xhttp = new XMLHttpRequest();
} else { // code for IE5 and IE6
xhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
xhttp.open("GET",filename,false);
xhttp.send();
return xhttp.responseXML;
}
</script>
</head>
<body>
<script>
xmlDoc = loadXMLDoc("/node.xml");
f1 = xmlDoc.documentElement;
f2 = f1.childNodes[5];
removedNode = f2.removeChild(f2.childNodes[5]);
document.write("已經刪除的節點是 : " + removedNode.nodeName);
</script>
</body>
</html>
執行上面範例程式碼,得到以下結果 -