DOM Tutorial: HTML dom Access Nodes

DOM Tutorial: HTML dom Access Nodes

Here you can access each node of the HTML file.

Access node
You can use a node in three aspects:

1. By using the getElementById () method

2. By using the getElementsByTagName () method

3. Through the nodes of the navigation tree, the relationship between nodes is utilized.

The getElementById () method
The getElementById () method returns the element with the specified number:

Grammar

document.getElementById ("Someid");
Note: the getElementById () method does not work with XML. All content returned by the getElementsByTagName () method getElementsByTagName () and the specified tag name. Syntax Node.getelementsbytagname ("TagName"); Example 1 The following example returns the file NodeList all <p> content: document.getElementsByTagName ("P");