DOM Element物件removeAttribute()
方法從元素中刪除指定屬性值。
語法
以下是removeAttribute()
方法的使用語法。
elementObj.removeAttribute(name)
引數
name
- 它包含要檢索的屬性的名稱。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removeAttribute()
方法的用法 -
<!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");
x = xmlDoc.getElementsByTagName('Employee');
document.write("在刪除屬性之前: ");
document.write(x[1].getAttribute('category'));
document.write("<br>");
x[1].removeAttribute('category');
document.write("在刪除屬性之後: ");
document.write(x[1].getAttribute('category'));
</script>
</body>
</html>
執行上面範例程式碼,得到以下結果 -