JavaScript Essentials

Prompts and answers

• What term allows you to run a code block multiple times as long as it is a condition?
  loop
• What is the code output if the value of x is changed to 10?
  The result is: 20
• Is JavaScript a compiled or interpreted language?
  Interpreted
• Which type of JavaScript integration places the code directly within the HTML document?
  Internal
• Which method is better for reusing JS across multiple web pages?
  External
• What is the name of the external JS file that is being called by external_test.html?
  thm_external.js
• What attribute links an external JS file in the tag?
  src
• In the file invoice.html, how many times does the code show the alert Hacked?
  3
• Which of the JS interactive elements should be used to display a dialogue box that asks the user for input?
  prompt
• If the user enters Tesla, what value is stored in the carName= prompt("What is your car name?")? in the carName variable?
  Tesla
• What is the message displayed if you enter the age less than 18?
  You are a minor.
• What is the password for the user admin?
  ComplexPassword
• What is the alert message shown after running the file hello.html?
  Welcome to THM
• What is the value of the age variable in the following obfuscated code snippet?
  21
• Is it a good practice to blindly include JS in your code from any source (yea/nay)?
  nay