JavaScript Conditional Logic: Calculating Days in a Month — PickAClass
⏱ 2h 36m 📚 26 lessons 🎧 Audio version

JavaScript Conditional Logic: Calculating Days in a Month

Master JavaScript if/else and switch statements by solving the classic calendar problem using clean, modern code.

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About this course

Conditional logic is the backbone of all programming, allowing your code to make decisions based on different inputs. This text-only course guides you through solving a practical programming challenge—calculating the number of days in any given month—using fundamental JavaScript structures. By working through this foundational problem, you will transition from writing simple sequential scripts to crafting smart, decision-making code. You will learn how to handle multiple conditions, manage edge cases like leap years, and structure your code for optimal readability. What you'll learn: - Understand core programming logic, variables, and data types in JavaScript - Implement robust decision-making using if, else if, and else statements - Optimize complex multi-way branching with switch statements and case grouping - Apply modern ES6+ features like let, const, and arrow functions to write cleaner logic - Handle calendar edge cases including leap year calculations with comparison operators - Practice writing clean, readable, and dry (Don't Repeat Yourself) conditional blocks You will start with the fundamental definitions of conditional logic and comparison operators before moving step-by-step through building, refining, and optimizing your solution. This course is designed for absolute beginners who want to build a solid foundation in JavaScript programming, with no prior coding experience required. Read the explanations, study the code examples, and start writing logical JavaScript today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 36m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
JavaScript Conditional Logic: Calculating Days in a Month
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
JavaScript Conditional Logic: Calculating Days in a Month
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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