JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Changing CSS Styles / 050

The video tutorial discusses how to handle CSS styling in JavaScript without overwriting existing styles. It introduces the use of the dot style property to access and update individual CSS properties, avoiding the use of set attribute which overwrites styles. The tutorial also explains JavaScript naming conventions for CSS properties, emphasizing the avoidance of dashes in property names. The video concludes by hinting at the next lecture, which will cover adding and updating classes in HTML elements.

What is the main issue with using setAttribute for styling in JavaScript?

• It is slower than other methods.

• It does not work in all browsers.

• It overwrites existing styles.

• It is too complex to use.

How can you access the style property of an element in JavaScript?

• Using element.getStyle()

• Using element.css

• Using element.style

• Using element.setAttribute('style')

Which of the following is a correct way to update the margin of an element using JavaScript?

• element.css('margin', '50px');

• element.setAttribute('margin', '50px');

• element.style.margin = '50px';

• element.margin = '50px';

What is the correct JavaScript naming convention for accessing CSS properties?

• Using kebab-case

• Using snake_case

• Using PascalCase

• Using camelCase

Why can't you use dashes in JavaScript property names?

• It is against JavaScript best practices.

• It causes syntax errors.

• Dashes are not valid characters in JavaScript.

• JavaScript treats dashes as subtraction operators.

What is the benefit of using the dot style property over setAttribute?

• It is faster to execute.

• It prevents overwriting existing styles.

• It is easier to read.

• It allows for more complex styles.

What should you do to practice using the style property effectively?

• Read more about CSS.

• Avoid using JavaScript for styling.

• Use only setAttribute for styling.

• Try updating multiple style properties.