Omkar Enterprises Web Developer Interview Questions and Answers

Medium level aptitude test

I was not shortlisted for this round

Q1. Diff btwn this and arrow in javascript
Ans. 
The 'this' keyword in JavaScript refers to the current object, while the arrow function does not bind its own 'this'.
• The 'this' keyword in JavaScript refers to the object that is executing the current function.

• Arrow functions do not bind their own 'this' value, instead they inherit the 'this' value from the enclosing lexical context.

• Using 'this' in a regular function can lead to unexpected behavior, especially in neste...read more
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Q2. Diff btwn let, var, const
Ans. 
let, var, and const are all used to declare variables in JavaScript, but they have different scopes and behaviors.
• let is block-scoped and can be reassigned, var is function-scoped and can be reassigned, const is block-scoped and cannot be reassigned

• Using let:

• let x = 10;

• x = 20; // valid

• Using var:

• var y = 5;

• y = 8; // valid

• Using const:

• const z = 15;

• z = 25; // error, cannot reassign const variable
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Q1. Data binding techniques
Ans. 
Data binding techniques allow for synchronization of data between the model and the view in web development.
• Two-way data binding ensures that changes in the model are reflected in the view and vice versa

• One-way data binding updates the view when the model changes, but not the other way around

• Data binding libraries like AngularJS, React, and Vue.js provide tools for efficient data binding
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Q2. Project related information
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Q1. Small UI task using Vue.js
Ans. 
Create a small UI task using Vue.js
• Create a simple form with input fields and a submit button

• Use Vue.js directives like v-model for data binding

• Implement validation for the form fields

• Display a success message upon form submission
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Q2. Find the second largest number
Ans. 
Iterate through the array to find the second largest number
• Iterate through the array and keep track of the largest and second largest numbers

• Compare each element with the largest and second largest numbers to update them accordingly

• Return the second largest number once the iteration is complete
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Q1. Tell about a time where you had competing demands from stakeholders.
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Medium level aptitude test

I was not shortlisted for this round

Q1. Basic Javascript questions. Object, Arrow function.
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Q1. Round 1 1.Basic JS question 2.Tricky indepth question who answer you would have to logically conclude/ educative guess Eg: 3. Why class are in React immutable but props mutable What happens to local sess...read more
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1.Complex coding round.
2.Explain any independent project you have done