Modern JavaScript from the Beginning - Second Edition - Remove and Clear Items

Modern JavaScript from the Beginning - Second Edition - Remove and Clear Items

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains how to use event delegation in JavaScript to target specific elements, such as X buttons, for removing list items. It covers setting up event listeners, implementing remove functionality, and using class lists and parent elements to navigate the DOM. Additionally, it demonstrates how to clear all items from a list efficiently.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of targeting the X buttons in the context of the video?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the concept of event delegation as described in the video.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the function removeitem work in the context of deleting list items?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of using parentElement or parentNode in the removeitem function?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the console log help in debugging the click events in the video?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how the clear items functionality is implemented in the video.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What changes are suggested to make the list item display more dynamic?

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