React101

True or False: None of the changes you make in the Inspector will be saved.

• TRUE

• FALSE

What is the correct closing tag for the <img> element?

• </img>

• No closing tag is needed.

What is the purpose of the DOCTYPE declaration in HTML?

• To link to a stylesheet.

• To tell the browser what type of document it is.

What is the most important thing to remember when writing HTML and CSS code?

• Write clean and readable code.

• Use as many different elements as possible.

Can self-closing tags have attributes?

• Yes, they can have attributes like src for <img> or alt for <br>.

• It depends on the browser.

What are some best practices for writing clean and maintainable HTML and CSS code?

• Use descriptive element names and class names

• Use proper indentation and consistent formatting

What is the output of the following code snippet?

• 10 20

• 20 10

• 20 20

• ReferenceError: x is not defined

Which methods do not return a new array based on the result of the function

• .forEach()

• .map()

• .filter()

• both .map() and .filter()

If w = “World”, which one is the correct way to print “Hello World”?

• " Hello " + ${w}

• " Hello ${w} "

• ’ Hello ${w} ’

• ` Hello ${w} `

Which output order is correct?

• 50 30 12

• 12 12 12

• 50 40 12

• 50 undefined undefined