HTML5 プロフェッショナル認定試験 レベル2 対策アプリ

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About this app

[Supports HTML5 Professional Certification Exam Level 2! Learn web technology that is useful in the field on your smartphone!]

A problem collection app has been released for test takers aiming to pass the HTML5 Professional Certification Exam Level 2. This app complies with the scope of questions in the HTML5 Professional Certification Exam Level 2 administered by LPI-Japan, and covers practical topics such as JavaScript, Web API, security, and offline support. It is a one-time purchase exam preparation app designed to allow efficient study with just one smartphone.

■Features: A "serious problem collection" for those aiming to pass the exam

A total of 140 questions compliant with the HTML5 Professional Certification Exam Level 2

Each question comes with a detailed explanation, so you can fully understand "why you made a mistake"

Questions are divided into chapters, so you can focus on each theme

Convenient features such as random questions, bookmarks, and mistake extraction

A learning style that can be completed with just your smartphone, making the most of your spare time

A one-time purchase, no ads, no registration required, so you can concentrate on your studies with peace of mind

■ List of features (all available for free)

Answer result reset: Restart your studies as many times as you like

Bookmark reset: Easy to organize review questions

Random question order Systematized: Develop thinking skills without relying on memorization

Randomized order of answer options: A learning experience close to a practical format

Only questions you missed are asked: Overcome your weaknesses in the shortest time possible

Check your learning progress: See how far you've progressed at a glance

Dark mode support: Screen design that is easy on the eyes even at night

Random questions to choose from 5 to 50 questions: Study at a volume that suits you

Re-asking only bookmarked questions: Focus on preparing for important questions

■Contents (9 chapters)

Classified into 9 chapters that cover the range of exam questions, this structure allows for smooth learning.

JavaScript
Learn basic grammar, including variables, functions, and control syntax

JavaScript API in web browsers
Focus on event processing, DOM manipulation, timer processing, etc.

Graphics/Animation
Understand how to implement dynamic UIs, such as Canvas and SVG

Multimedia
Learn media processing techniques using audio and video elements

Storage
Mechanism and uses of Web Storage (localStorage/sessionStorage)

Communication
Understand asynchronous communication using XMLHttpRequest and fetch

Device Access
Use of Geolocation API and DeviceOrientation API

Performance and Offline
High-speed techniques using cache control and ServiceWorker

Security Model
Acquire important knowledge in the field, such as CORS, Content Security Policy, and XSS countermeasures

■What is HTML5 Professional Certification Level 2?

This is a private qualification administered by LPI-Japan, and is an exam that tests knowledge and skills related to HTML5 and related web technologies. In particular, Level 2 requires the mastery of "knowledge required in practical development situations." Candidates come from many IT professions, including front-end engineers, markup engineers, and web directors, and obtaining a qualification is a valuable tool for finding employment, changing jobs, and advancing your career.

■Exam Overview

Exam Time: 90 minutes

Number of Questions: Approximately 50 questions (CBT format)

Passing Criteria: 70% or higher correct answer rate

Exam Scope: JavaScript, Web API, Security, Web Storage, Performance, Multimedia Processing, etc.

Implemented: Conducted at CBT test centers nationwide at any time

■Recommended for:

Those who want to pass the HTML5 Professional Certification Exam Level 2

Those who want to prepare for the exam in their spare time

Those who don't need a PC and want to study easily on their smartphone

Those who don't want to carry around past exam questions or problem sets

Those who want to check only their weak areas right before the exam

Those who want to solidify their basic skills as a web engineer

■Design that supports continuous learning

This app is designed with an emphasis on three points: "Learn 5 questions at a time," "See progress," and "Easy review" so that you can continue to use it every day, even for a short period of time. With the review function, you can also create your own program to overcome your weaknesses. It is full of ideas to turn every situation, such as 10 minutes before going to bed, commuting time, or free time at a cafe, into a "study opportunity".

■Free sample questions available for trial!

For those who want to try out what kind of questions will be asked, we also have free content that allows you to try out some sample questions by registering with LINE.

https://lin.ee/5aFjAd4

■Please support us by reviewing!

This app is evolving every day based on user feedback. Your support in reviews will be a great encouragement for us to add more questions and improve the features in the future. Please leave a review with your impressions of using it!

■Install now and aim to pass!

Passing the HTML5 Professional Certification Exam Level 2 starts with solid knowledge and repeated practice. Take your first step towards passing today with this app that you can start with just one smartphone!
Updated on
May 26, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, Personal info and 3 others
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

What’s new

初回リリース

App support

About the developer
松原大輔
matsubara.d.work@gmail.com
京島1丁目1−1 イーストコア曳舟 一番館 1509 墨田区, 東京都 131-0046 Japan
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