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JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Creating and Removing Elements / 054

JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Creating and Removing Elements / 054

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial covers how to manipulate list items in the DOM using JavaScript. It starts with removing list items using the remove method and progresses to adding new items with innerHTML and event listeners. The tutorial highlights issues with event bubbling, explaining how new elements lack event listeners. It introduces append and prepend methods as alternatives to innerHTML for adding elements. The video concludes by discussing the need for better solutions to handle events on dynamically added elements.

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10 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What method is used to remove a specific node from the DOM?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you add a new list item (Li) to an unordered list (UL) in JavaScript?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of selecting a button and adding an event listener to it.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of the 'innerHTML' property in the context of adding elements?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is event bubbling and how does it relate to DOM manipulation?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What issue arises when overwriting the entire inner HTML of an element?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

In what scenarios would you prefer to use 'document.createElement' over 'innerHTML'?

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