Understanding Document Object Model (DOM) in Details

We have all heard of the DOM, or Document Object Model, that gets mentioned from time to time, related to JavaScript. DOM is a pretty important concept in web development. Without it, we wouldn’t be able to dynamically modify HTML pages in the browser.

Learning and understanding the DOM results in better ways of accessing, changing, and monitoring different elements of an HTML page. The Document Object Model may also help us reduce unnecessary increases in script execution time.

Data structure trees

Before talking about what the DOM is, how it comes into existence, how it exists, and what happens inside of it, I want you to know about trees. Not the coniferous & deciduous kind but about the data structure tree.

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