</How to hire>
JavaScript Developer
Developed in 1995, JavaScript is a popular world wide web technology along with HTML and CSS. Individuals looking to develop UI and front-end development skills use this interpreted programming language. It is an open and cross-platform, integrated with HTML and Java. For assessing a candidate for JavaScript, he/she should have basic knowledge of Java or any programming language and the basics of HTML.
Used for hiring
Senior data Analysts/ Developers
UI/UX Developers
Front-end Developers
Skills required
Understanding of HTML
Understanding of CSS
Understanding of frameworks, such as AngularJS, ReactJS, etc.
Javascript Developer Assessment
These tests are highly popular among most recruiters to assess Javascript developers
You can check for the following skills while hiring a Javascript developer-
- Adept at writing code in Java.
- Well-versed in JEE and Hibernate
- Skilled at querying using SQL
How this test helps with hiring Javascript candidates
Steps to assess Javascript Developers
Create a test
Add questions to assess Javascript skills
Send invites to candidates
Evaluate the report
Common types of assessments used by our top customers
Programming questions to assess development skills in Java
on Java
on SQL, JEE and Hibernate
Sample questions
What is the output of the following JavaScript code:
var numbers_arr = [66, 2, 1, 10, 25];
var sum = numbers_arr.reduce(myFunction);
function myFunction(total, value)
{
return total * value;
}
- 66, 2, 1, 10, 25
- 33000Correct Answer
- Null value
- None of these
What is the output of the following JavaScript code:
var numbers_arr = [45, 10];
var sum = numbers_arr.reduceRight(myFunction);
function myFunction(total, value, index, array) {
return total / value;
}
- 4.5
- 0.2222Correct Answer
- 5
- None of these
Three variables are initialized in the following JavaScript code:
type ClassType = [string, number, number, number];
let var1: ClassType = [‘Red’, 1,0,0];
let var2: [ string, number, number, number ]= [‘Green’, 0,1,0];
let var3 =[‘Blue’, 0,0,1];
Which of these statements about this code is incorrect?
- ClassType is an alias to tuple
- All the three variables would compile to same javaScript type signature
- ClassType is an array where type of the fixed number of elements is known
- All the three variables are immutableCorrect Answer
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