HTML DOM isEqualNode method
Examples
List items detected two different lists are equal:
var item1=document.getElementById("myList1").firstChild;
var item2=document.getElementById("myList2").firstChild;
item1.isEqualNode(item2);
var item2=document.getElementById("myList2").firstChild;
item1.isEqualNode(item2);
Output:
false
try it"
Definition and Usage
isEqualNode () method is used to check whether two nodes are equal.
If the following conditions are satisfied on two nodes are equal and return true:
- With the same node type
- The same node name, node value, the local name, namespace URI and prefix.
- With all their descendants have the same child node
- It has the same attributes and attribute values (attribute is not the same sort of way)
Tip: Use isSameNode () method to determine whether two nodes are identical.
Browser Support
All major browsers support isEqualNode () method
Note: Internet Explorer 8 and earlier versions of IE does not support this method.
grammar
node.isEqualNode(node)
parameter
| 参数 | 类型 | 描述 |
|---|---|---|
| node | 节点对象 | 必须。比较的两个节点。 |
return value
| 类型 | 描述 |
|---|---|
| Boolean | 如果两个节点相同返回 true, 否则返回false。 |
technical details
| DOM version | Core Level 3 Node Object |
|---|