Test duration:
No. of questions:
Level of experience:


Our EXTJS skills test is the preferred pre-employment test for recruiters and hiring managers to hire job-fit candidates for roles such as EXTJS Developer, JavaScript Developer, and Full Stack Developer. Our EXTJS developer test reduces technical screening time by 80%.

A code icon
Trusted by 500+ Enterprises

EXTJS Online Skills Assessment Test

The EXTJS online test assists recruiters and hiring managers to assess the skills of EXTJS Developers before an interview. EXTJS is an extended JavaScript framework which is used for building cross-platform web applications. It is well suited for creating enterprise level applications for a large amount of data and is targeted mostly on desktops, tablets, and smartphones.

The EXTJS skills test is specially designed to check the JavaScript and enterprise skills of an EJS developer as per industry standards. The test on EXTJS basics is designed by Subject Matter Experts (SMEs) to evaluate knowledge of EXTJS developer about EXTJS. Using powerful reporting, a detailed analysis of the test results are provided to facilitate better hiring decision and predict the candidate’s performance.

Wondering what other skills we have in our World’s Largest Skills Assessment library?
Visit here
How it works

Test Summary

The EXTJS developer test enables employers and recruiters to identify the best-fit candidate by evaluating working skills and job readiness. Therefore, the emphasis is laid upon evaluating the knowledge of applied skills gained through real work experience, rather than theoretical knowledge.

The EXTJS 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.

Useful for hiring
  • EXTJS Developer
  • JavaScript Developer
  • Full Stack Developer
Test Duration
No. of Questions
Level of Expertise
Topics Covered

Drag Drop Implementation

iMocha’s EXTJS online test helps recruiters and hiring managers to evaluate a candidate’s ability to add, drag, and drop featurea in UI, where an element can be moved using drag and added somewhere using drop.

Grid Feature

This test assesses a candidate’s knowledge of the grid feature in EXTJS.


Our assessment helps to evaluate a candidate’s ability to display a collection of records in a tabular format.

Ext Viewport

This EXT JS assessment test evaluates a candidate’s understanding of EXT viewport. which helps to show application areas in the browser.

DOM Elements

Our assessment evaluates candidate’s knowledge of DOM elements in EXTJS, such as Ext.get(), Ext.getElementById(), Ext.fly(), and Ext.select()

Sample Question
Choose from our 100,000+ questions library or add your own questions to make powerful custom tests.
Question type
Multiple Option
Topics covered
JavaScript Programming


Q 1. Which of the following options is relevant to the following code ?
var myStore = new Ext.data.ArrayStore({
fields: [{
}, {

Loads an array store
Generates an error: "f.convert is not a function"
Creates an instance of Class Ext.data.ArrayStore
None of the options
A helicopter view of the employee's progress
Test Report
You can customize this test by

Setting the difficulty level of the test

Choose easy, medium, or tricky questions from our skill libraries to assess candidates of different experience levels.

Combining multiple skills into one test

Add multiple skills in a single test to create an effective assessment and assess multiple skills together.

Adding your own
questions to the test

Add, edit, or bulk upload your coding, MCQ, and whiteboard questions.

Requesting a tailor-made test

Receive a tailored assessment created by our subject matter experts to ensure adequate screening.