Element: setAttributeNode() method
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Thuộc tính setAttributeNode() của giao diện Element adds a new Attr node to the specified element.
If you don't need to work with the attribute node (such as cloning from another element) before adding it, you can use the setAttribute() method instead.
Cú pháp
js
setAttributeNode(attribute)
Tham số
Giá trị trả về
The replaced attribute node, if any, returned by this function.
Ví dụ
Ví dụ này copies the lang attribute from one element to another.
HTML
html
<div id="one" lang="vi">one</div>
<div id="two">two</div>
JavaScript
js
const d1 = document.getElementById("one");
const d2 = document.getElementById("two");
const a = d1.getAttributeNode("lang");
d2.setAttributeNode(a.cloneNode(true));
// Returns: 'en-US'
console.log(d2.attributes[1].value);
Notes
If the attribute named already exists trên phần tử, that attribute is replaced with the new one and the replaced one is returned.
Đặc tả kỹ thuật
| Specification |
|---|
| DOM # dom-element-setattributenode |