DOM Selectors for Multiple Elements

The video tutorial covers various methods to select multiple elements in the DOM using JavaScript. It explains the use of getElementsByClassName and getElementsByTagName, highlighting their similarities and differences. The tutorial also demonstrates how to convert HTML collections into arrays to utilize array methods. Additionally, it introduces querySelectorAll, which returns a node list, allowing for more flexible operations without conversion. The video concludes with examples of styling elements using these selectors and iterating over them with loops.

What is the difference between an HTML collection and a node list?

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What method would you use to select elements by their class name?

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Explain how to access a specific item in an HTML collection.

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Describe how to style the first item in a list using JavaScript.

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What are the limitations of using an HTML collection compared to an array?

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How can you convert an HTML collection into an array?

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How can you change the text content of multiple elements at once?

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What is the purpose of the querySelectorAll method?

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What is the significance of using the nth-child selector?

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Explain how to loop through an HTML collection using a for loop.

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