Clock
Test duration:
50
min
Notes
No. of questions:
12
Tie
Level of experience:

JavaScript Coding Test

11054
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Assessed
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About

JavaScript Online Coding Test

JavaScript coding is used for frontend coding requirements like UI customization, HTML rendering, and selective and conditional rendering of dynamic data. JavaScript helps to create interactive web pages and is an essential part of web applications.

 

JavaScript online coding test helps tech recruiters and hiring managers to assess developers’ JavaScript programming skills. JavaScript programming test is designed by experienced subject matter experts (SMEs) to evaluate and hire JavaScript developers per industry standards. 


JavaScript coding test helps to screen the candidates who possess traits as follows: 

 

  • Ability to build sustainable code in JavaScript
  • Ability to use JavaScript data variables and functionalities while creating various programming solutions
  • Knowledge related to the web-based rendering of dynamic data
  • Excellent knowledge of using browser-based storage like cookies, sessions, etc


JavaScript coding test contains a coding simulator that will automatically evaluate and provide a score for the candidate’s written codes by compiling multiple test cases that generate discrete output. You will also get a detailed report for each test case execution, execution time, and execution memory usage for the program written by the candidate. The Code-Replay feature records the coding screen of the candidate so that the reviewer can understand the coding and thinking patterns of the candidate.

 

This test may contain coding questions and innovative AI-LogicBox (an AI-based pseudo-coding platform) questions to assess a candidate’s coding skills in a fun and quick way.

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Test Summary

Test Duration
50
No. of Questions
12
Level of Expertise
Useful for hiring
  • JavaScript Developer
  • Frontend Developer - JavaScript
  • UI Developer - JavaScript
Topics Covered
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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:

Function and ArrowFunction

Difficulty:

Hard

Question:

We have declared a function in two ways in the following code, one normal and the other with an arrow, which generates two alternative scenarios using "this" in the function.

let data={
name:"jenifer",
getName:function()
{console.warn("normal",this)},
getNameArrow:()=>{
console.warn("arrow",this)}}
data.getName();
data.getNameArrow();


Options

  • -&gt;Normal function is using parent &quot;this&quot;<br />&nbsp; &nbsp; -&gt; Arrow function has own &quot;this&quot;, he is using both &quot;this&quot;
  • -&gt;Normal function is using child &quot;this&quot;<br />&nbsp; &nbsp; -&gt; Arrow function has own &quot;this&quot;, he is using parent &quot;this&quot;
  • -&gt;Normal function is using own &quot;this&quot;<br />&nbsp; &nbsp; -&gt; Arrow function has not own &quot;this&quot;, he is using parent &quot;this&quot;
  • -&gt;Normal function is not using any &quot;this&quot;<br />&nbsp; &nbsp; -&gt; Arrow function has own &quot;this&quot;, he is using parent &quot;this&quot;
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