DOM Element物件setAttribute()
方法為現有元素設定新的屬性值。
語法
以下是setAttribute()
方法的使用語法。
elementObj.setAttribute(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 -
<?xml version = "1.0"?>
<Company>
<Employee category = "Technical">
<FirstName>Tianya</FirstName>
<LastName>Su</LastName>
<ContactNo>0898-12345678</ContactNo>
<Email>[email protected]</Email>
</Employee>
<Employee category = "Non-Technical">
<FirstName>Max</FirstName>
<LastName>Lee</LastName>
<ContactNo>089833990088</ContactNo>
<Email>[email protected]</Email>
</Employee>
<Employee category = "Management">
<FirstName>Susen</FirstName>
<LastName>Wong</LastName>
<ContactNo>1010-234562350</ContactNo>
<Email>[email protected]</Email>
</Employee>
</Company>
以下範例演示了setAttribute()
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');
for(i = 0;i < x.length;i++) {
x.item(i).setAttribute("category","HR");
}
document.write("使用setattribute方法後所有屬性的值: ");
for (i = 0;i < x.length;i++) {
document.write(x[i].getAttribute('category'));
document.write("<br>");
}
</script>
</body>
</html>
執行上面範例程式碼,得到以下結果 -