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UnderScore.JS Online Skills Assessment Test
Clock
Test duration:
20
min
Notes
No. of questions:
10
Tie
Level of experience:
Entry/Mid/Expert

Underscore JS Test

iMocha’s Underscore.JS online test is the preferred pre-employment test for recruiters and hiring managers to hire job-fit candidates for roles such as UnderScore.JS Developer, JavaScript Developer, and Full Stack Developer. Our UnderScore.JS skills test has helped our customers to reduce hiring time by 45%.

21827
+
Candidates
Assessed
128
+
Organizations Served
Fujitsu
Paypal
Capgemini
Deloitte
Coupa
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Vanguard
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About

UnderScore.JS Online Skills Assessment Test

UnderScore.JS online test assists hiring managers and recruiters in evaluating the Underscore.JS skills of Underscore.JS 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 Underscore.JS developer as per industry standards. 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.

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How it works

Test Summary

<p lang="EN-US" paraeid="{09cdb4e2-48a5-45c6-b4b5-313717a8cea2}{227}" paraid="649005202" xml:lang="EN-US">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.</p>

<p lang="EN-US" paraeid="{0aa6e299-075a-4786-a162-b148fb48e4e4}{220}" paraid="738692707" xml:lang="EN-US">Underscore.JS assessment test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio / Video Questions, AI-LogicBox, Coding Simulators, True or False Questions, etc.</p>

Test Duration
20
No. of Questions
10
Level of Expertise
Entry/Mid/Expert
Useful for hiring
  • UnderScore JS Developer
  • JavaScript Developer
  • Full Stack Developer
Topics Covered
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Using Map in Underscore.JS

iMocha’s UnderScore.JS online test helps recruiters and hiring managers to evaluate candidate’s understanding about map function in Underscore.js, which helps to produce a new array of values

Using sortBy function in Underscore.JS

This test assesses candidate’s ability to sort all the elements of the list in required order according to the function and its parameters
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Using filters in Underscore.JS

This UnderScore JS pre-employment test evaluates candidate’s understanding about filters in Underscore.JS which helps to check elements in the passed array after fulfilling the condition
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Using "where" in Underscore.JS

Our UnderScore.JS skills test validates applicant’s knowledge about where function, which is used to find elements with match of searching condition
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Look for Items in a list using Underscore.JS

This test assessment validates candidate’s ability to look items in a list using Underscore.JS
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Grouping list in Underscore.JS

Our UnderScore.JS assessment test helps recruiters and hiring managers to assess candidate’s knowledge about grouping which splits a collection into set
Sample Question
Choose from our 100,000+ questions library or add your own questions to make powerful custom tests.

Question types :

Multiple Option

Topic:

Difficulty:

Hard


Q 1. You have been asked to train « Naive Bayes model for spam detection dataset

Using Python command, what wil you add in the given code at XXXX to deciore, it and train your modal for the given dataset?

import numpy os np

X= nporroyll 3. 2b[1 21 [2.21.[3,21)
Y= nporray(fi.a,a.1))

XXXX

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

Question types :

Multiple Option

Topic:

Machine teaming

Difficulty:

Hard


Q 1. Q2 Lets assume that you have 6 Pandas DataFrome(af) in the below tole.

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074

When the following commend is executed, what hoppens to the DatoFrome?

df= defiinat()
Y= nporray(fi.a,a.1))

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
it gives an error becouse of the third row which has on empty string.
None of these

Question types :

Multiple Option

Topic:

Difficulty:

Easy

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?


Options

  • var usersList = [{id: 12, user: &#39;Paul&#39;, role: &#39;ADMIN&#39;}, {id: 23, user: &#39;Mike&#39;, role: &#39;DEFAULT&#39;}, {id: 35, user: &#39;Gary&#39;, role: &#39;ADMIN&#39;}, {id: 46, user: &#39;Johnn&#39;, role: &#39;DEFAULT&#39;}]; _.findLastIndex(usersList, {role: &#39;DEFAULT&#39; });
  • var usersList = [{id: 12, user: &#39;Paul&#39;, role: &#39;ADMIN&#39;}, {id: 23, user: &#39;Mike&#39;, role: &#39;DEFAULT&#39;}, {id: 35, user: &#39;Gary&#39;, role: &#39;ADMIN&#39;}, {id: 46, user: &#39;Johnn&#39;, role: &#39;DEFAULT&#39;}]; _.lastIndex(usersList, {role: &#39;DEFAULT&#39; });
  • var usersList = [id: 12, user: &#39;Paul&#39;, role: &#39;ADMIN&#39;}, {id: 23, user: &#39;Mike&#39;, role: &#39;DEFAULT&#39;}, {id: 35, user: &#39;Gary&#39;, role: &#39;ADMIN&#39;}, id: 46, user: &#39;Johnn&#39;, role: &#39;DEFAULT&#39;}]; _.findLastIndex(usersList, {role: &#39;DEFAULT&#39; });
  • var usersList = [id: 12, user: &#39;Paul&#39;, role: &#39;ADMIN&#39;}, {id: 23, user: &#39;Mike&#39;, role: &#39;DEFAULT&#39;}, {id: 35, user: &#39;Gary&#39;, role: &#39;ADMIN&#39;}, {id: 46, user: &#39;Johnn&#39;, role: &#39;DEFAULT&#39;}]; _.findLastIndex(usersList, [role: DEFAULT ]);
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