OpenJS Node.js Application Developer (Chinese Version) (JSNAD-CN)

Certification > Web & Application > OpenJS Node.js Application Developer (China Version) (JSNAD-CN)

CERTIFICATION

The OpenJS Node.js Application Developer certification is ideal for the Node.js developer with at least two years of experience working with Node.js.

IMPORTANT: Registration for this certification exam has ended. If you registered for this certification exam prior to April 30, 2025, you must schedule your exam eligibility at the first opportunity to secure a date before the exam administration ends on September 30, 2025. Please note that you must complete your exam (first attempt and your one retake if it’s needed) by September 30, 2025. This certification will no longer be offered after this date.

Who Is It For

JSNAD certification is ideal for the Node.js developer with at least two years of experience working with Node.js. It is designed for anyone looking to demonstrate competence with Node.js to create applications of any kind, with a focus on knowledge of Node.js core API’s. Only choose this -CN exam to obtain the benefit of a Chinese speaking proctor.

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About This Certification

The two-hour exam tests your skills from debugging Node.js to managing asynchronous operations to controlling processes. It tests knowledge and skills that an experienced Node.js application developer would be expected to possess. The exam is performance-based and includes items simulating on-the-job scenarios.

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What It Demonstrates

JSNAD certification demonstrates the ability to perform tasks in real world-type environments, giving employers confidence that the certificant possesses a broad range of skills around JavaScript and related technologies. Passing a performance-based exam demonstrates the candidate's ability to perform challenging real world tasks under time constaints.

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Domains & Competencies

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Buffer and Streams11%

Node.js Buffer API’s
Incremental Processing
Transforming Data
Connecting Streams

Control flow 12 %

Managing asynchronous operations
Control flow abstractions

Child Processes8%

Spawning or Executing child processes
Child process configuration

Diagnostics6%

Debugging Node.js
Basic performance analysis

Error Handling8%

Common patterns
Handling errors in various scenarios

Node.js CLI4%

Node executable command line flags

Events11%

The event system
Building event emitters
Consuming event emitters

File System8%

Input/output
Watching

JavaScript Prerequisites7%

Language fundamentals
Scoped to core language features introduced since EcmaScript 1 and still heavily used today

Module system 7%

CommonJS Module System only

Process/Operating System6%

Controlling the process
Getting system data

Package.json6%

Package configuration
Dependency management

Unit Testing6%

Using assertions
Testing synchronous code
Testing asynchronous code

Exam Details & Resources

This exam is an online, proctored, performance-based test that requires implementing multiple solutions within a Remote Desktop Linux environment. Visual Studio Code, Vim and Webstorm (kindly sponsored by JetBrains) are included as editors in this environment.

The exam includes tasks simulating on-the-job scenarios, and Candidates have 2 hours to complete the tasks.

This exam is proctored by a Chinese speaking proctor and the exam content will be presented in Chinese.

Prerequisites

There are no pre-requisites for this exam.