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Node.JS Online Test

Topics Covered

  • Javascript Engine
  • Packages
  • Directories
  • Sessions

Useful for hiring

  • Junior Node.JS Developer
  • JavaScript Developer
  • Software Programmer

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After making the appropriate corrections, it was observed that the output of the stream was just an integer. The stream should output a Number object.
Choose the options that will enable the same.

Note: There can be multiple correct answers to this question.

    • In the _flush method, instead of doing this.push(checksumBuffer), do this.push(this._checkSumSoFar);

    • The objectMode property of the options object in the constructor must be set to true

    • The readObjectMode property of the options object in the constructor must be set to true

    • The writeObjectMode property of the options object in the constructor must be set to true


What behavior of node is depicted by the output generated by the given code?

}, 100);


    • Multi Threaded

    • Synchronous

    • Single Threaded

    • Asynchronous


In a node application, N Fibonacci number has to be generated where N is a very large number.

What should be the preferred method to store the output of this application in the file?

(fs is the instance of the file system)

    • fs.write()

    • fs.createWriteStream()

    • fs.writeSync()

    • fs.writeFile()

Test details:

Node.js interview test will evaluate candidate’s practical knowledge and will identify whether the candidate is ready to be employed. Node js test can be taken online by candidates from anywhere in the comfort of their time zone.
Node.js skills test may contain MCQ's (Multiple Choice Questions), MAQ's (Multiple Answer Questions), Fill in the Blank, Descriptive, Whiteboard Questions, Audio / Video Questions, True or False.

Test Duration: 20 Minutes

No. of Questions: 20

Test description:

Node.js is an open-source, cross-platform JavaScript run-time environment that executes JavaScript code outside the browser and  is designed to build scalable network applications. Node.js helps developers to use JavaScript to write Command Line tools. It also enables running scripts server-side to produce dynamic web page content before the page is sent to the user's web browser.

Node.js online test helps hiring managers & recruiters to find the best suitable candidate by assessing his/her Node.js coding skills. Node.js interview test questions are designed & validated by industry experts to assess & hire Node.js developer as per the industry standards.

Online NodeJS test helps to screen the candidates who possess traits as follows:

1.  Strong proficiency with JavaScript 
2.  Knowledge of Node.js and its frameworks
3.  Understanding the nature of asynchronous programming and its quirks and workarounds
4.  Ability to work with server-side templating languages 
5.  Strong knowledge of server-side CSS pre-processors 
6.  Coding knowledge of HTML, CSS, and AJAX
Interview Mocha’s powerful reporting & intelligent analytics will help you overview candidate’s performance in each section within a glance. Candidate feedback module will ensure candidates are having excellent experience with Interview Mocha.

Online Nodejs test contains latest & quality set of questions crafted by industry experts to cope with recent developments in technology. Moreover, you can add your own questions as per the job requirement.

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