JavaScript as a Scripting Language

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Questions and Answers

What is the primary purpose of JavaScript?

  • For client-end processing of HTML documents (correct)
  • For database management
  • For server-end processing of HTML documents
  • For styling HTML documents

Where is JavaScript code typically embedded?

  • Within the HTML document (correct)
  • In an external server
  • Within the JavaScript file
  • In a separate CSS file

What is the role of the interpreter in a browser when it comes to JavaScript?

  • It translates the JavaScript code to CSS
  • It converts JavaScript into Python
  • It interprets the JavaScript code when appropriate (correct)
  • It reads the HTML content only

Which text editor is recommended for writing JavaScript code in the provided example?

<p>NotePad (B)</p> Signup and view all the answers

When would you use an if...else statement in JavaScript?

<p>To check two conditions and execute a different set of codes (D)</p> Signup and view all the answers

In JavaScript, which statement allows you to check multiple conditions with different outcomes?

<p>if...else if...else statement (D)</p> Signup and view all the answers

What does the 'alert' function do in JavaScript?

<p>Display a confirmation box with a message (D)</p> Signup and view all the answers

In the context of JavaScript, what is the purpose of a 'document.write' statement?

<p>To write content directly to the HTML document (C)</p> Signup and view all the answers

What is the main characteristic of a scripting language?

<p>Interpreted, translated into machine code when run (D)</p> Signup and view all the answers

Which of the following languages is NOT an example of a scripting language?

<p>Java (B)</p> Signup and view all the answers

What distinguishes scripting languages from other programming languages?

<p>They do not need to be compiled (A)</p> Signup and view all the answers

Which programming language is commonly used for server-side scripting?

<p>JavaScript (D)</p> Signup and view all the answers

What is the primary purpose of JavaScript?

<p>To create interactive webpages (A)</p> Signup and view all the answers

Why are scripting languages often used for short scripts?

<p>Because they do not need to be compiled before execution (B)</p> Signup and view all the answers

What is an essential feature of a scripting language like PHP or Perl?

<p>Ability to execute commands without compiling (D)</p> Signup and view all the answers

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CH6 LAB (updated)-mod.pptx

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