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Grunt Test

The Grunt Test uses scenario-based MCQs to evaluate candidates on their proficiency in using Grunt, a popular JavaScript task runner used for automating repetitive tasks in web development. The test assesses candidates' ability to configure and manage Grunt tasks, use Grunt plugins to perform tasks such as compilation, minification, and linting, and integrate Grunt with other web development tools and frameworks. Other key skills that the test focuses include JavaScript programming, build automation, code optimization, web performance, and web development best practices.

Screen candidates with a 30 mins test

Test duration:  ~ 30 mins
Difficulty level:  Moderate
Availability:  Available as custom test
  • 12 Grunt MCQs
Covered skills:
Task Configuration
File Mapping
File Compaction
Custom Filter Function
Creating Tasks
Grunt CLI
Task Configuration
Task Dependency

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Use the Grunt Assessment Test to shortlist qualified candidates

The Grunt Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • Ability to configure Grunt tasks effectively
  • Understanding of file mapping in Grunt
  • Knowledge of file compaction techniques in Grunt
  • Capability to implement custom filter functions in Grunt
  • Proficiency in creating tasks in Grunt
  • Familiarity with Grunt CLI usage
  • Expertise in task dependency management in Grunt
  • Ability to use wrappers in Grunt

Screen candidates with the highest quality questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

Test candidates on core Grunt Hiring Test topics

Task Configuration: Task Configuration refers to the process of defining and customizing the tasks performed by the Grunt framework. It involves specifying various options, settings, and configurations that determine how the tasks are executed. This skill is measured in the test to assess the candidate's ability to effectively configure and customize tasks in Grunt.

File Mapping: File Mapping involves the process of mapping input and output files in Grunt tasks. It allows developers to define the source files to be processed and the destination paths for the output files. This skill is measured in the test to evaluate the candidate's proficiency in correctly mapping files in Grunt tasks.

File Compaction: File Compaction refers to the process of compressing or minifying files by removing unnecessary characters, reducing file size, and improving performance. This skill is assessed in the test to gauge the candidate's ability to effectively compact files using Grunt, which is often needed for optimizing web applications and reducing load times.

Custom Filter Function: A custom filter function allows developers to define their own logic for filtering files or data in Grunt tasks. It offers flexibility to include or exclude specific files based on custom criteria. Measuring this skill in the test helps identify the candidate's capability to create and apply custom filter functions in Grunt tasks.

Creating Tasks: Creating Tasks relates to the process of writing and defining new tasks in Grunt. It involves specifying the desired functionality, dependencies, and configurations for the task to be executed. This skill is measured to determine the candidate's proficiency in creating custom tasks using Grunt's task system.

Grunt CLI: The Grunt CLI (Command Line Interface) allows developers to run Grunt commands and tasks from the command line. It provides a unified interface for controlling and managing Grunt tasks. Assessing this skill helps evaluate the candidate's familiarity and ability to utilize the Grunt CLI effectively.

Task Dependency: Task Dependency refers to the process of specifying the order and relationships between tasks in Grunt. It allows tasks to be executed sequentially or in parallel based on their dependencies. This skill is measured in the test to assess the candidate's understanding of task dependency management in Grunt.

Wrapper: The Wrapper feature in Grunt allows developers to wrap tasks in a standardized structure, making it easier to define shared options, settings, and functionality across tasks. This skill is assessed in the test to evaluate the candidate's proficiency in utilizing the wrapper feature to streamline task creation and maintain consistency.

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Have questions about the Grunt Hiring Test?

How does pricing work?

You can check out our pricing plans.

Can I customize the test?

Yes, absolutely. Custom assessments are set up within 48 hours based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test. You can also customize a test by uploading your own questions.

Can I combine multiple skills into one test?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

What roles can I use the Grunt Assessment Test for?

Here are few roles for which we recommend this test:

  • JavaScript Expert
  • Frontend Application Engineer
Can I see a sample test, or do you have a free trial?


The free trial includes one sample technical test (Java/ JavaScript) and one sample aptitude test that you will find in your dashboard when you sign up. You can use it to review the quality of questions and the candidate experience of giving a test on Adaface.

You can preview any of the 500+ tests and see the sample questions to decide if it would be a good fit for your requirements.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

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