HTML, CSS, and JS Basics Quiz

Which of the following is a correct HTML tag for creating a hyperlink?

• `Link`

• `Link`

• `Link`

• `Link`

Which CSS selector targets all elements with the class "main-content"?

• `#main-content`

• `.main-content`

• `main-content`

• `*main-content*`

What is the correct way to change the text colour of all `

` elements to blue in CSS?

• `h1 { text-colour: blue; }`

• `h1 { colour: blue; }`

• `h1 { color: blue; }`

• `h1 { font-colour: blue; }`

Which of the following is NOT a valid HTML tag?

• `

  `

  ``

  `

  `

  ``

What does DOM stand for in web development?

• Document Object Model

• Data Object Model

• Document Oriented Markup

• Data Oriented Model

Which of the following is the correct way to select an element with the ID "header" in CSS?

• `.header`

• `header`

• `#header`

• `*header*`

Which property is used in CSS to set the background colour of an element?

• `background-colour`

• `backgroundColor`

• `background-color`

• `bg-colour`

Which of the following is a valid JavaScript variable declaration?

• `let 2name = "John";`

• `let name2 = "John";`

• `let name-2 = "John";`

• `let name 2 = "John";`

Which HTML attribute is used to provide alternative text for an image?

• `alt`

• `src`

• `title`

• `href`

Which of the following is a callback function in JavaScript?

• A function that calls itself

• A function passed as an argument to another function

• A function that returns another function

• A function that is never called

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