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UnderScore.JS Online Skills Assessment Test

Topics Covered

  • Using Map in Underscore.JS
  • Using sortBy function in Underscore.JS
  • Using "where" in Underscore.JS
  • Knowing functions in Underscore.JS
  • Grouping list in Underscore.JS
  • Look for Items in a list using Underscore.JS
  • Using filters in Underscore.JS

Useful for hiring

  • UnderScore JS Developer
  • JavaScript Developer
  • Full Stack Developer

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General Manager HR & Recruitement
Question

The following code snippet shows an error:
var usersList = [{id: 12, user: 'Paul', role: 'ADMIN'}, {id: 23, user: 'Mike', role: 'DEFAULT'}, {id: 35, user: 'Gary', role: 'ADMIN'}, id: 46, user: 'Johnn', role: 'DEFAULT'}]; ._findLastIndex(usersList, {role: 'DEFAULT' });

Which of the following code snippet will fix the problem?

Answer
    • var usersList = [{id: 12, user: 'Paul', role: 'ADMIN'}, {id: 23, user: 'Mike', role: 'DEFAULT'}, {id: 35, user: 'Gary', role: 'ADMIN'}, {id: 46, user: 'Johnn', role: 'DEFAULT'}]; _.findLastIndex(usersList, {role: 'DEFAULT' });

    • var usersList = [{id: 12, user: 'Paul', role: 'ADMIN'}, {id: 23, user: 'Mike', role: 'DEFAULT'}, {id: 35, user: 'Gary', role: 'ADMIN'}, {id: 46, user: 'Johnn', role: 'DEFAULT'}]; _.lastIndex(usersList, {role: 'DEFAULT' });

    • var usersList = [id: 12, user: 'Paul', role: 'ADMIN'}, {id: 23, user: 'Mike', role: 'DEFAULT'}, {id: 35, user: 'Gary', role: 'ADMIN'}, id: 46, user: 'Johnn', role: 'DEFAULT'}]; _.findLastIndex(usersList, {role: 'DEFAULT' });

    • var usersList = [id: 12, user: 'Paul', role: 'ADMIN'}, {id: 23, user: 'Mike', role: 'DEFAULT'}, {id: 35, user: 'Gary', role: 'ADMIN'}, {id: 46, user: 'Johnn', role: 'DEFAULT'}]; _.findLastIndex(usersList, [role: DEFAULT ]);

Question

The following code snippet shows an error:
var machines = [{code: 'MACHINE01', serial: 4023456788}, {code: 'MACHINE02', serial: 4783456788}]; _.sortedIndex(machines, {code: 'MACHINE03', serial: 5047856788}, 'code');

Which of the following code snippet will fix the problem?

Answer
    • var machines = [{code: 'MACHINE01', serial: 4023456788}, {code: 'MACHINE02', serial: 4783456788}]; _.sorted(machines, {code: 'MACHINE03', serial: 5047856788}, 'code');

    • var machines = [{code: 'MACHINE01', serial: 4023456788}, {code: 'MACHINE02', serial: 4783456788}]; ._sortedIndex(machines, {code: 'MACHINE03', serial: 5047856788}, 'code');

    • var machines = [{code: 'MACHINE01', serial: 4023456788}, {code: 'MACHINE02', serial: 4783456788}]; _.sortedIndex(machines, {code: 'MACHINE03', serial: 5047856788}, 'serial');

    • var machines = [{code: 'MACHINE01', serial: 4023456788}, {code: 'MACHINE02', serial: 4783456788}]; ._sorted(machines, {code: 'MACHINE03', serial: 5047856788}, 'serial');

Question

Which of the following code snippets will run correctly in the browser?

Answer
    • var hideValue = ._omitValue({id: 12, name: 'Paul', surname: 'Hernandez', mail: 'paul@mail.com'}, 'id');

    • var hideValue = ._omit({id: 12, name: 'Paul', surname: 'Hernandez', mail: 'paul@mail.com'}, 'id');

    • var hideValue = _.omitValue({id: 12, name: 'Paul', surname: 'Hernandez', mail: 'paul@mail.com'}, 'id');

    • var hideValue = _.omit({id: 12, name: 'Paul', surname: 'Hernandez', mail: 'paul@mail.com'}, 'id');

Test details:

UnderScore.JS screening test enables employers and recruiters to identify UnderScore.JS developer by evaluating working skills and job readiness. For this reason, the emphasis is laid upon evaluating the knowledge of applied skills gained through real work experience, rather than theoretical knowledge.

Test Details: 20 minutes 

20 Application Questions


The combination of Application and Theory questions helps to evaluate Technical as well as practical Skills of Candidates.

Test description:

UnderScore.JS Online Test assists Hiring Managers & Recruiters in evaluating the Underscore JS skills of UnderscoreJS developer before an interview. Underscore.JS is a JavaScript library which provides utility functions for common programming tasks. UnderScore.JS skills test is designed to check the application and integration development skills of UnderscoreJS developer as per Industry Standards.

Underscore JS Assessment Test contains questions on following topics:  
 

  • Using Map in Underscore.JS

  • Using sortBy function in Underscore.JS

  • Using "where" in Underscore.JS

  • Knowing functions in Underscore.JS

  • Grouping list in Underscore.JS

  • Look for Items in a list using Underscore.JS

  • Using filters in Underscore.JS 


UnderScore JS pre employment test is designed by our subject matter experts to evaluate knowledge of Underscore JS developer about Underscore.JS Library. Using powerful reporting, you can have a detailed analysis of the test results to help you make a better hiring decision and predict the candidate’s performance.

The test contains MCQ's (Multiple Choice Questions), MAQ's (Multiple Answer Questions), Fill in the Blank, Descriptive, True or False.

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