Sahu Technologies Web Developer Interview Questions and Answers

Medium level aptitude test

I was not shortlisted for this round

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
Answered by AI
Add your answer
Q2. Project related information
Add your answer

Q1. Tell about a time where you had competing demands from stakeholders.
Add your answer

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
Answered by AI
Add your answer
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
Answered by AI
Add your answer

Q1. Why use php ?
Ans. 
PHP is a popular server-side scripting language used for web development.
• PHP is easy to learn and use for web development.

• PHP has a large community and extensive documentation for support.

• PHP is compatible with various operating systems and web servers.

• PHP can be embedded directly into HTML code for dynamic web pages.

• PHP can interact with databases like MySQL to create dynamic content.
Answered by AI
Add your answer
Q2. Php popular framewrk?.
Add your answer

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
Answered by AI
Add your answer
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
Answered by AI
Add your answer

Q1. Basic Javascript questions. Object, Arrow function.
Add your answer

Medium level aptitude test

I was not shortlisted for this round