IT SPECIALIST JavaScript

Master JavaScript Fundamentals: Operators, Functions, and Browser Interaction
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  • Certificate of completion
This comprehensive practice test is designed for individuals seeking to strengthen their JavaScript skills, covering essential topics like operators, functions, and the Document Object Model (DOM). With a focus on best practices and debugging techniques, students will gain practical experience in JavaScript programming. Prepare to confidently tackle real-world scenarios and validate your knowledge through targeted questions.
  • Exam name: IT SPECIALIST JavaScript
  • Duration: 70 min
  • Exam type: IT/Software Development
  • Questions per exam: 50
  • Language: English
  • Passing Score: 70% 
Practice Test

This offer includes

  • 6 Full practice tests
  • Immediate access
  • Exam practice
Video Course

This offer includes

  • 7 hours on-demand video
  • Immediate access
  • Downloadable materials
Lesson series

What you will learn?

- Proficiently use JavaScript operators, methods, and keywords to complete and debug code.
- Implement best practices in JavaScript, including code readability and error handling techniques.
- Understand the nuances of internal and external scripts, as well as their implications in web applications.
- Utilize the Document Object Model (DOM) to manipulate HTML elements and handle events effectively.
- Validate user input and manage form submissions in web applications, ensuring data integrity.

IT SPECIALIST JavaScript

The IT Specialist JavaScript Practice Test is a comprehensive and structured evaluation designed to assess and enhance your proficiency in key areas of JavaScript programming. This test covers a wide range of topics, including JavaScript Operators, Methods, and Keywords; Variables, Data Types, and Functions; Decisions and Loops; Document Object Model (DOM) interactions; and HTML Forms. Each section is meticulously crafted with scenarios and questions aimed at not only testing theoretical knowledge but also practical skills. For instance, you'll engage with real-world coding challenges that require debugging, applying best practices, employing exception handling, and effectively using both internal and external scripts.

Upon completion of the practice test, you will receive immediate feedback on your performance, which will help you identify strengths and areas where further study may be beneficial. The test encourages a deep dive into JavaScript's functionalities, such as using the Browser Object Model (BOM), manipulating arrays and objects, and handling events through the DOM. Each question is designed to mirror the challenges you may face in actual development roles, preparing you for tasks such as retrieving and validating form inputs or constructing reliable and efficient scripts that operate seamlessly across different environments.

Working through the practice test not only equips you with essential coding skills but also builds confidence in your ability to utilize JavaScript in practical settings. After completing the test, candidates are encouraged to revisit any sections they found challenging and explore additional resources or documentation to further their understanding. This practice test serves as a valuable tool in your educational journey, enhancing both your theoretical knowledge and practical application of JavaScript, ultimately enabling you to excel in real-world IT scenarios.

  • Certification Syllables

    • JavaScript Operators, Methods, and Keywords
    • 1.1 Complete and debug code that uses assignment and arithmetic operators
    • Assignment, increment, decrement, addition, subtraction, division, multiplication, modulus, compound assignment operators (+=, -=, *=, =, %=)
    • 1.2 Apply JavaScript best practices
    • Comments, indentation, naming conventions, no script, constants, reserved keywords, debugger keyword, setting breakpoints, console.log
    • 1.3 Evaluate the use of internal and external scripts
    • When to use, how to use, and what happens when scripts are used at multiple levels
    • 1.4 Implement exception handling
    • try, catch, finally
    • 1.5 Complete and debug code that interacts with the Browser Object Model (BOM)
    • Displaying dialogs, determining screen size(10) 
    • Variables, Data Types, and Functions
    • 2.1 Declare and use variables of primitive data types
    • Number, Boolean, String, null, undefined, type of operator, type-checking functions, use strict, converting between data types (parseInt, parseFloat), formatting numbers, string operations, eval(), to Fixed(), toLocaleString(), to Precision(), single quote vs. double quote (nesting), initialization
    • 2.2 Declare and use arrays
    • Single-dimensional arrays; multi-dimensional arrays; iteration; initialization; defining, sorting, and searching an array; push, pop, shift, and unshift methods; length property; accessing an array element
    • 2.3 Complete and debug code that uses objects
    • Properties, methods, instantiation, Date object, retrieving date and time parts, localizing date format (MMDD vs DDMM), adding and subtracting dates
    • 2.4 Complete and debug code that uses built-in Math functions random, round, abs, floor, ceil, min, max, pow, sqrt
    • 2.5 Complete and debug functions that accept parameters and return values
    • Reusable code, local vs. global scope, redefining variables, passing parameters, value vs. reference, return values(10) 
    • Decisions and Loops
    • 3.1 Evaluate expressions that use logical and comparison operators
    • !=, <, >, <=, >=, !, ==, &&, ||
    • 3.2 Complete and debug decision statements
    • Single alternative (if), dual alternative (if else), multiple alternative (switch), nested if
    • 3.3 Complete and debug loops
    • for, for in, while, do while, break, continue(10) 
    • Document Object Model
    • 4.1 Identify and construct the Document Object Model (DOM) tree
    • window, document, body, other HTML elements
    • 4.2 Identify and handle document, form, keyboard, and mouse events
    • onload, onfocus, onblur, onchange, onkeydown, onkeyup, onkeypress, onclick, onmouseover, onmouseout
    • 4.3 Complete and debug code that outputs to an HTML document
    • document.write, innerHTML, textContent
    • 4.4 Complete and debug code that locates, modifies, and adds HTML elements and attributes to documents
    • getElementByld, getElementsByTagName, getElementsByClassName, setAttribute, createElement
    • 4.5 Create events using event handlers and listeners
    • DOM events, HTML attribute event, addEventListener(10) 
    • HTML Forms
    • 5.1 Complete and debug code that retrieves form input and sets form field values
    • Retrieving form values; identifying the DOM path; getting values from different types of elements; prepopulating, masking, and updating values
    • 5.2 Complete and debug code that performs input validation
    • Case, string comparisons, Not-A-Number (NaN), not blank
    • 5.3 Describe the form submission process onsubmit, POST vs. GET, potential targets for submission(10)

  • Who is this exam for?

    - Aspiring web developers looking to enhance their JavaScript skills.
    - IT specialists seeking to validate their knowledge and skills in JavaScript programming.
    - Students in computer science or information technology programs focusing on web development.
    - Professionals transitioning into software development roles, specifically in front-end technologies.

Frequently asked questions

How many questions are included in the practice test?

The practice test contains a total of 40 questions, divided among key JavaScript topics.

Is this course suitable for beginners?

Yes, this course is suitable for beginners who have a basic understanding of JavaScript and want to improve their skills.

Will I receive feedback on my answers?

Yes, detailed feedback will be provided for each question to help you learn from your mistakes.

Can I retake the practice test to improve my score?

Yes, you can retake the practice test as many times as you'd like to reinforce your learning and improve your performance.
Lesson series

IT SPECIALIST JavaScript

This comprehensive practice test is designed for individuals seeking to strengthen their JavaScript skills, covering essential topics like operators, functions, and the Document Object Model (DOM). With a focus on best practices and debugging techniques, students will gain practical experience in JavaScript programming. Prepare to confidently tackle real-world scenarios and validate your knowledge through targeted questions.
100% Money-Back Guarantee

We stand behind our course with a 100% money-back guarantee.

If for any reason you are not satisfied with your subscription, you can claim a refund within 14 days without providing any justification.

Disclaimer
This unofficial practice test is intended as a supplementary resource for exam preparation and does not guarantee certification. We do not offer exam dumps or questions from actual exams.

We offer learning material and practice tests to assist and help learners prepare for those exams. While it can aid in your readiness for the certification exam, it's important to combine it with comprehensive study materials and hands-on experience for optimal exam readiness. The questions provided are samples to help you gauge your understanding of the material.

All certification brands used on this course are owned by the respective brand owners. We do not own or claim any ownership on any of the brands.
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