(parentNode, newNode, referenceNode)
| 7753 | |
| 7754 | //插入节点 在referenceNode dom 前面插入一个节点 |
| 7755 | function insertBefore(parentNode, newNode, referenceNode) { |
| 7756 | |
| 7757 | parentNode.insertBefore(newNode, referenceNode); |
| 7758 | } |
| 7759 | |
| 7760 | //删除子节点 |
| 7761 | function removeChild(node, child) { |
nothing calls this directly
no outgoing calls
no test coverage detected