Frontend Web Development Bootcamp - Build a Twitter Clone - Switching to Dark Mode - Part 1

This video tutorial guides viewers through programming a toggle button to change element colors using CSS and JavaScript. It covers creating CSS classes for different colors, selecting HTML elements, and using JavaScript to assign these classes. The tutorial explains converting NodeLists to arrays and using the map method for class assignment, ensuring a dynamic and interactive user interface.

What is the main objective of the toggle button project?

• To design a new logo

• To build a navigation menu

• To change the colors of elements using CSS and JavaScript

• To create a new HTML page

Which color is NOT mentioned as part of the CSS classes?

• Dark color

• Light color

• Gray color

• Red color

Which CSS class is used for the border color?

• Dark 1

• Light

• Dark 2

• Border color

What is the purpose of assigning CSS classes to HTML elements?

• To delete them

• To apply specific styles like background colors

• To toggle their visibility

• To change their size

Which JavaScript method is used to select multiple elements by class name?

• getElementsByClassName

• querySelector

• getElementById

• querySelectorAll

What is the purpose of transforming a NodeList into an array?

• To sort the elements

• To change their order

• To remove duplicates

• To apply array methods like map

Which JavaScript function is used to iterate over an array and apply a function to each element?

• reduce

• filter

• map

• forEach

What is the significance of using the toggle method in JavaScript?

• To add a new element

• To delete an element

• To change the text content

• To switch a class on or off

What issue is identified with the input elements in the project?

• They are too large

• They do not change color

• They overlap with other elements

• They are not visible

What is planned to be addressed in the next lecture?

• Adding new features

• Fixing color issues with input elements

• Changing the layout

• Improving performance