Element: previousElementSibling property
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 Element.previousElementSibling
read-only property trả về the Element immediately prior to the specified
one in its parent's children list, or null if the specified element is the first one in the list.
Giá trị
Một Element object, or null.
Ví dụ
html
<div id="div-01">Here is div-01</div>
<div id="div-02">Here is div-02</div>
<li>This is a list item</li>
<li>This is another list item</li>
<div id="div-03">Here is div-03</div>
js
let el = document.getElementById("div-03").previousElementSibling;
console.log("Siblings of div-03:");
while (el) {
console.log(el.nodeName);
el = el.previousElementSibling;
}
Ví dụ này outputs the following into the page when it loads:
Siblings of div-03: LI LI DIV DIV
Đặc tả kỹ thuật
| Specification |
|---|
| DOM # ref-for-dom-nondocumenttypechildnode-previouselementsibling② |