JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Selectors / 047

JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Selectors / 047

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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The video tutorial discusses various methods for selecting HTML elements in JavaScript, including getElementById, getElementsByClassName, and getElementsByTagName. It highlights the limitations of these methods, such as the inability to use forEach on HTML collections, and recommends using querySelector and querySelectorAll for their flexibility and ease of use. The tutorial emphasizes the advantages of querySelector, which allows for custom selectors and provides a node list that supports both indexing and the forEach method.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the methods mentioned for selecting elements in the lecture?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the difference between getElementById and querySelector.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of using class names in element selection?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the issue with using forEach on an HTML collection?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you convert an HTML collection into an array?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the advantages of using querySelector compared to getElementsByClassName.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Why does the teacher recommend using query selector over other methods?

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