JavaScript in HTML Test 1 Review

Imagine you're developing a website and you encounter an unexpected behavior. You decide to use the console. What would be the purpose of using the console?

• A function that allows programmers to input values into a pop-up window.

• A tag that allows programmers to write JavaScript code in HTML files.

• A debugging tool created by Web Browsers.

• A function that allows programmers to create a pop-up message.

You are a webpage developer and you are using the console.log() function. What does it do?

• allows programmers to create a pop-up message.

• allows programmers to input values into a pop-up window.

• allows programmers to write JavaScript code in HTML files.

• allows programmers to output messages to the console.

Define alert()?

• A function that allows programmers to output messages to the console.

• A function that allows programmers to input values into a pop-up window.

• A debugging tool created by Web Browsers.

• A function that allows programmers to create a pop-up message.

What does the prompt() function do?

• A function that allows programmers to create a pop-up message.

• A function that allows programmers to output messages to the console.

• A debugging tool created by Web Browsers.

• A function that allows programmers to input values into a pop-up window.

What is the Document Object Model (DOM)?

• A type of web browser

• A programming interface that makes HTML files mutable by other programming languages

• A database system

• A web server

What does the 'document' represent in the DOM?

• A text file

• A CSS stylesheet

• Any web page loaded in the browser

• A JavaScript function

What does a 'Node' represent in the DOM tree?

• A connection between web pages

• A programming language

• An attribute like text and style

• An element with attributes like text and style

What is the purpose of the 'document.getElementById(id)' function?

• To create a new element with a specified id

• To return an element with the specified id

• To delete an element with the specified id

• To style an element with the specified id

What does the 'document.getElementsByTagName(name)' function do?

• Returns the first element with the specified tag name

• Returns a list of elements with the specified tag name

• Changes the tag name of an element

• Deletes all elements with the specified tag name

What does the method document.createElement(element) do?

• Appends the element element to the end of node.

• Creates an element of type element.

• Returns the first child of a given element.

• Returns a list of all children associated with an element.