How to Use HTML DOM API in JavaScript

If you are learning web development, understanding the HTML DOM API is very important. It helps JavaScript interact with your web page.

 

What is HTML DOM API?

DOM stands for Document Object Model.

The HTML DOM API allows JavaScript to:

• Access HTML elements

• Change content

• Change styles

• Add or remove elements

• Handle events (like button clicks)

DOM API lets JavaScript control your website.

How DOM Works

When a web page loads, the browser creates a structure (tree) of all HTML elements.

Example:

JavaScript can access this using:

Common DOM API Methods (Important)

Select an Element  

Example:

Change Content

Change Style

Add Event (Button Click Example)

Create New Element

Why HTML DOM API is Important?

• Makes website interactive

• Used in forms, sliders, popups

• Required for frontend development

• Base of frameworks like React

Simple Real-Life Example

When you click a button and text changes, that is DOM API working.

Conclusion

The HTML DOM API allows JavaScript to control and modify web pages. It is one of the most important concepts in frontend development. If you want to become a web developer, mastering DOM API is a must.

Categories: web designing web development javascript