Adglobal360 Front end Developer Interview Questions and Answers

Q1. What is Indexing in Mysql
Ans. 
Indexing in MySQL is a technique to improve the performance of database queries by creating a data structure that allows for faster data retrieval.
• Indexes are created on one or more columns of a table.

• They help in speeding up the search, sorting, and joining of data.

• Indexes can be created using different algorithms like B-tree, hash, or bitmap.

• Using indexes appropriately can significantly enhance query performance.

• Exam...read more
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Q2. Opps concepts in php
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Object-oriented programming concepts in PHP
• Encapsulation: bundling data and methods together in a class

• Inheritance: creating new classes based on existing ones

• Polymorphism: using a single interface to represent different types

• Abstraction: hiding unnecessary details and exposing only essential features

• Class: blueprint for creating objects

• Object: instance of a class

• Method: function defined inside a class

• Property: variabl
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Q1. Prepare js array and string functions, and React js core concepts
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It was based on frontend technologies

Q1. Basic frontend question
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Q1. Managerial round
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Q1. Easy-Medium level Leetcode questions on linkedlists
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Q2. Simple recursion question
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Q3. An SQL query Basic question in OOPS and resume description..
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Q4. Basic questions regarding SQL
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Q5. Difference between thread and process
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A process is an instance of a program while a thread is a subset of a process that can run concurrently with other threads.
• Processes have their own memory space while threads share the same memory space within a process.

• Processes are independent of each other while threads within the same process can communicate with each other.

• Processes are heavier in terms of resource consumption compared to threads.

• Example: A web br...read more
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Q1. What was your prior experiences?
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Q2. Can you work in rotational shifts
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It will ask about different type of reasoning and numerical questions, some coding decoding questions as well.

Q1. Everything about WordPress basic settings, colour choices, fonts choices and basic understandings of WordPress tactics.
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Q2. They'll ask you to speak Continuosly for one minute on any topic.
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Q3. They'll give you any random situation and will ask how you'll proceed in that situation.
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Some basic aptitude questions related to mental abilities and some technical

They give you demo domain and demo worksheet with website contents and we have create a web page with these provided details in worksheet

Q1. Technical round is all related to web design and wordpress plugins and templates
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Q1. What are your salary expectations?
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Q2. What are your strengths and weaknesses?
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Q3. Tell me about yourself.
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Q1. Optimisation techniques/ vanilla js
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Q2. Polyfill of promise
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Polyfill of promise is a code that adds support for promises in older browsers.
• Polyfill is used to fill in the gaps in browser support for certain features.

• For promises, a polyfill can be used to provide support in older browsers that do not natively support promises.

• Popular promise polyfills include 'es6-promise' and 'bluebird'.
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