The TreeWalker.previousSibling()
method moves the current Node
to its previous sibling, if any, and returns the found sibling. I there is no such node, return null
and the current node is not changed.
Syntax
node = treeWalker.previousSibling();
Example
var treeWalker = document.createTreeWalker( document.body, NodeFilter.SHOW_ELEMENT, { acceptNode: function(node) { return NodeFilter.FILTER_ACCEPT; } }, false ); var node = treeWalker.previousSibling(); // returns null as there is no previous sibiling
Specifications
Specification | Status | Comment |
---|---|---|
DOM The definition of 'TreeWalker.previousSibling' in that specification. |
Living Standard | No change from Document Object Model (DOM) Level 2 Traversal and Range Specification |
Document Object Model (DOM) Level 2 Traversal and Range Specification The definition of 'TreeWalker.previousSibling' in that specification. |
Recommendation | Initial definition. |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | 1.0 | 2.0 (1.8.1) | 9.0 | 9.0 | 3.0 |
Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|
Basic support | (Yes) | 1.0 (1.8.1) | (Yes) | 9.0 | 3.0 |
See also
- The
TreeWalker
interface it belongs to.