DOMChildNode::before
(PHP 8)
DOMChildNode::before — Adds nodes before the node
说明
Adds the passed nodes before the node.
参数
nodes-
Nodes to be added before the node. Strings are automatically converted to text nodes.
返回值
没有返回值。
错误／异常
DOM_HIERARCHY_REQUEST_ERR-
Raised if the parent is of a type that does not allow children of the type of one of the passed
nodes, or if the node to put in is one of this node's ancestors or this node itself. DOM_WRONG_DOCUMENT_ERR-
Raised if one of the passed
nodeswas created from a different document than the one that created this node.
更新日志
| 版本 | 说明 |
|---|---|
| 8.3.0 |
Calling this method on a node without a parent is now a no-op to align the behaviour with the DOM specification.
Previously this threw a
DOMException with code
DOM_HIERARCHY_REQUEST_ERR.
|
参见
- DOMChildNode::after() - Adds nodes after the node
- DOMChildNode::remove() - Removes the node
- DOMChildNode::replaceWith() - Replaces the node with new nodes
＋添加备注
用户贡献的备注
此页面尚无用户贡献的备注。