HTML DOM cloneNode method
Examples
A copy of a list item to another list:
var node=document.getElementById("myList2").lastChild.cloneNode(true);
document.getElementById("myList1").appendChild(node);
document.getElementById("myList1").appendChild(node);
Before copying:
- Coffee
- Tea
- Water
- Milk
After the copy:
- Coffee
- Tea
- Milk
- Water
- Milk
try it"
Definition and Usage
cloneNode () method to create an exact copy of the specified node.
cloneNode () method to copy all the attributes and values.
This method will copy it and return to the calling node copy. If the parameters passed to it is true, it will recursively copy all descendants of the current node. Otherwise, it copies only the current node.
Browser Support
All major browsers support cloneNode () method
grammar
node.cloneNode(deep)
parameter
| 参数 | 类型 | 描述 |
|---|---|---|
| deep | Boolean | 可选。该方法将复制并返回调用它的节点的副本。如果传递给它的参数是 true，它还将递归复制当前节点的所有子孙节点。否则，它只复制当前节点。 |
return value
| 类型 | 描述 |
|---|---|
| 节点对象 | 拷贝的节点 |
technical details
| DOM version | Core Level 1 Node Object |
|---|