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This article mainly explains "what is the role of the html dom method", the content of the explanation is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "what is the role of the html dom method"!

HTML DOM is the standard on how to get, change, add, or delete HTML elements, while the HTML DOM method is an action that developers can perform on a node (HTML element) to get, change, add, or delete HTML elements.

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

What is HTML DOM?

HTML DOM is the standard object model and programming interface of HTML. It defines:

HTML element as an object

Attributes of all HTML elements

Methods to access all HTML elements

Events for all HTML elements

In other words: HTML DOM is the standard for how to get, change, add, or delete HTML elements.

What is the HTML DOM method?

The HTML DOM method is an action that we can perform on the node (the HTML element).

Some common DOM object methods:

The method description getElementById () returns the element with the specified ID. GetElementsByTagName () returns a list of nodes (collection / node array) containing all elements with the specified tag name. GetElementsByClassName () returns a list of nodes containing all elements with the specified class name. AppendChild () adds a new child node to the specified node. RemoveChild () deletes the child node. ReplaceChild () replaces the child node. InsertBefore () inserts a new child node before the specified child node. CreateAttribute () creates an attribute node. CreateElement () creates the element node. CreateTextNode () creates a text node. GetAttribute () returns the specified property value. SetAttribute () sets or modifies the specified property to the specified value. Thank you for your reading, the above is the content of "what is the role of the html dom method". After the study of this article, I believe you have a deeper understanding of the role of the html dom method, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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