Frontend Web Development Bootcamp - Build a Twitter Clone - Create Modal Box

The video tutorial covers the implementation of a login system with a modal error message. It begins by explaining the navigation logic between the main page, newsfeed, and login page based on user input. The tutorial then guides through creating the HTML structure for a modal box that displays error messages. It continues with styling the modal using CSS for positioning and appearance. Finally, it demonstrates how to use JavaScript to control the display of the modal box when login inputs are invalid.

What happens if both inputs are filled on the main page?

• The page refreshes.

• An error message is displayed.

• The user is redirected to the login page.

• The user is redirected to the newsfeed page.

Where is the modal box structure placed in the HTML document?

• At the beginning of the main page.

• In the middle of the newsfeed page.

• At the end of the login page.

• At the top of the login page.

Which CSS property is used to center the modal box horizontally?

• transform: translate(-50%, -50%);

• display: flex;

• text-align: center;

• margin: auto;

What is the purpose of using 'box-shadow' in the modal box styling?

• To change the background color.

• To add a shadow effect.

• To increase the font size.

• To align text to the center.

How is the modal box initially hidden using JavaScript?

• By removing it from the HTML document.

• By setting its display property to 'none'.

• By setting its visibility to 'hidden'.

• By setting its display property to 'block'.

What triggers the display of the modal box?

• Filling both inputs correctly.

• Leaving one or both inputs empty.

• Clicking the 'Submit' button.

• Refreshing the page.

Which method is used to select the modal box in JavaScript?

• getElementsByClassName

• getElementsByTagName

• querySelector

• getElementById