.NET Web Developer Interview Questions and Answers

Updated 25 Jul 2023

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Q1. Events in Jquery as well as selectors with example

Ans.

Jquery events and selectors with examples

Jquery events are actions that occur when a user interacts with a web page
Selectors are used to select HTML elements based on their tag name, class, or ID
Examples of events include click, hover, and submit
Examples of selectors include $('p'), $('.class'), and $('#id')

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Delegate functions in C# allow you to create references to methods and pass them as arguments or store them for later use.

Delegates are similar to function pointers in C++ or function references in other languages.
Delegates can be used to implement callbacks, event handling, and asynchronous programming.
Delegates can be declared using the 'delegate' keyword and can be invoked using the 'Invoke' method or the () operator.
Delegates can be multicast, meaning they can reference m...read more

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OOPS Concepts with C#

OOPS stands for Object-Oriented Programming
It is a programming paradigm that uses objects to represent and manipulate data
Key concepts include encapsulation, inheritance, and polymorphism
Encapsulation is the process of hiding internal details and providing a public interface
Inheritance allows classes to inherit properties and methods from other classes
Polymorphism allows objects of different types to be treated as objects of a common base type
Example: Cre...read more

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A CSS compiler is a tool that converts CSS code into a more efficient format, such as minified or optimized CSS.

CSS compilers help streamline the development process by automatically processing and optimizing CSS code.
Popular CSS compilers include Sass, Less, and Stylus.
They can be used to nest CSS rules, create variables, and use functions to generate CSS styles.
CSS compilers can also help with vendor prefixing and browser compatibility.
The output of a CSS compiler is typica...read more

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=== is strict equality operator in JavaScript, checking both value and type, while == is loose equality operator, only checking value.

=== checks both value and type, while == only checks value
=== will return true if both operands are of the same type and have the same value, while == will perform type coercion before comparing
Example: 1 === '1' will return false, but 1 == '1' will return true