JavaScript Core Concepts for Beginners
12 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What was the primary purpose of JavaScript in the past?

  • To optimize web page viewing
  • To dynamically create web pages on servers
  • To execute complex logic on the server
  • To make pages somewhat interactive and execute rudimentary logic (correct)

What is the characteristic of modern JavaScript engines?

  • They are powerful and sophisticated, optimizing execution and conforming to the ECMAScript standard (correct)
  • They are single-threaded and asynchronous
  • They are slow and inefficient
  • They are only used in browsers

What happens when the stack is empty in the JavaScript runtime?

  • The event loop takes work from the queue and moves it into the stack (correct)
  • The queue is emptied
  • The event loop stops working
  • The thread is terminated

What is the main difference between server-side and client-side rendered web applications?

<p>Server-side executes on the server, client-side executes on the client (C)</p> Signup and view all the answers

What is the single-threaded runtime represented by in the JavaScript engine?

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

Why do developers need to learn JavaScript in the Salesforce ecosystem?

<p>Because it's used in the Lightning Component Framework (B)</p> Signup and view all the answers

What is assumed about the reader's knowledge of JavaScript in this module?

<p>Familiarity with basic keywords, operators, and syntax (A)</p> Signup and view all the answers

What is the primary purpose of this module?

<p>To help developers coming from classical programming languages to understand JavaScript (B)</p> Signup and view all the answers

What was a major challenge in creating web applications in the early 2000s?

<p>Fragmented HTML and JavaScript standards (A)</p> Signup and view all the answers

What is the expected outcome of completing this module?

<p>Understanding of JavaScript's core concepts and best practices (C)</p> Signup and view all the answers

Why did some web applications force users to use only one browser in the early 2000s?

<p>Due to design decisions made during that era (B)</p> Signup and view all the answers

What is the significance of the early 2000s in web development history?

<p>Web applications became popular and were hosted and delivered over the Internet (D)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser