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JavaScript Foundations · Lesson 8 of 10
DOM basics
Meet the DOM as the browser's version of the page and learn why JavaScript can change it.
Starter
4 practice exercises
1 homework item
What you will learn
- Explain what the DOM is in plain English.
- Understand that JavaScript can read and change the browser's version of the page.
- Connect DOM ideas back to familiar page parts such as headings, paragraphs, buttons, and inputs.
Lesson shape
14 minute lesson with 11 sections, 4 exercises, 8 checkpoint questions, and 1 homework submission.
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Lesson outline
What this lesson includes
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What the DOM is in plain English
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Connect the DOM to page parts you already know
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Tiny example 1: change text in a heading
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Tiny example 2: show a message after a click
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Tiny example 3: update a small paragraph
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Separate the parts of a DOM example
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Why the DOM matters
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HTML structure still matters here
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Common beginner mistakes with DOM examples
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Short recap before lesson 9
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Homework
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Text response
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DOM basics: quick check
Write a short beginner explanation of the main idea from DOM basics.
Keep moving
Finish this lesson, then move forward without losing your place.
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