jQuery Online Test

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About the test

The jQuery online test assesses knowledge of programming in the JavaScript language and features of the jQuery library through a series of live coding questions.

The assessment involves solving work sample tasks such as:

  • Handling user events and manipulating DOM to build responsive web pages.
  • Using jQuery selectors to select proper HTML elements.
  • Initiating and handling asynchronous events.

A good Web front-end or JavaScript developer working with jQuery needs a solid understanding of the JavaScript programming language and the ability to use the functionality of the jQuery library to write maintainable code that works on all browsers.

Sample public questions

Hard
30 min
code
Public
jQuery
JavaScript
Recursion
Selectors

The following HTML represents a family tree:

<James>
  <Dave></Dave>
  <Mike></Mike>
  <Sarah></Sarah>
</James>

Implement the closestRelative function so that when a parent jQuery object is passed, the function returns the parent's closest relative whose name matches the relativeName, and obeys the following rules:

  • The parent parameter is the jQuery object of which the closest relative will be a descendant.
  • Each member of the family, including children, may also be a parent to one or more children.
  • Children are more closely related to the parent than grandchildren.
  • If several children in the same generation have the same name, then the first child in the tree is considered the closer relative.
  • If no matching relative is found the function should return null.

For example, the below code should print 'MIKE' for the given family tree:

let parent = $('James').eq(0);
let relative = closestRelative(parent, 'Mike');
console.log(relative && relative.prop("tagName")); // prints MIKE
Hard
5 min
code
Public
jQuery
JavaScript
Selectors

An HTML div element contains lists of endangered species grouped by continent and the species population status.

<div>
    <ul data-continent="North America">
        <li data-species="California condor">Critically Endangered</li>
        <li data-species="American bison">Near Threatened</li>
    </ul>
    <ul data-continent="Europe">
        <li data-species="Cave bear">Extinct</li>
    </ul>
</div>

Implement the function endangeredSpecies that returns how endangered a species is on a particular continent.

For example, endangeredSpecies('North America', 'American bison') should return 'Near Threatened'.

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13 more premium jQuery questions

Copy Element, Loading Bar, Cards, Validation, Table of Names, A Tag, Product Rating, Post Comment, Reorder, Hide Button, Double, Confirm, Row Appender.

Skills and topics tested

  • jQuery
  • JavaScript
  • Selectors
  • DOM Manipulation
  • HTML5
  • Event Handling
  • Forms
  • Attribute Manipulation
  • Content Manipulation
  • Asynchronous Calls
  • Error Handling
  • Dialog Box

For job roles

  • JavaScript Developer
  • jQuery Developer
  • Web Front-End Developer

Sample candidate report

What others say

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Simple, straight-forward technical testing

TestDome is simple, provides a reasonable (though not extensive) battery of tests to choose from, and doesn't take the candidate an inordinate amount of time. It also simulates working pressure with the time limits.

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Product reviews

G2 - Crowd Badge
G2 - High Performer (2022)
Capterra - 4.5 Stars
Capterra - Shortlist (2023)

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