PurpleTalk Interview Questions, Process, and Tips

They asked the questions about Data structures - LL,queues,stack,array. Questions on javascript concepts like closures,hosting,this keyword

General aptitude test will be there with simple 10std questions.

Coding round with related to some list and dictionary.

Q1. 1/2 person will be there asking questions like: what is class, string operations and linked list.
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Q2. How to write a class. Pointers related questions.
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Q1. About my work experience
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Q1. Salary discussion
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Q1. What are the latest updates in angular
Ans. 
Angular 12 is the latest version with updates on Ivy, performance improvements, and new features.
• Angular 12 is the latest version released in May 2021

• Updates include improvements to Ivy compiler, performance enhancements, and new features like strict mode

• Angular Material received updates with new components and features

• Improved support for Webpack 5 and TypeScript 4.2
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Q2. Explain lexical this in javascript
Ans. 
Lexical this in JavaScript refers to the value of 'this' inside a function, which is determined by where the function is declared.
• Lexical this allows functions to access the 'this' value of their enclosing scope.

• It is not affected by how or where the function is called, unlike regular functions.

• Arrow functions in JavaScript use lexical this, making it easier to maintain the context of 'this'.
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Q3. Name some Html5 tags
Ans. 
Html5 tags are used to structure content on web pages.
• header

• footer

• nav

• section

• article

• aside

• main

• figure

• figcaption
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Q4. Difference between display none and visibility hidden
Ans. 
display none removes element from layout, visibility hidden hides element but still takes up space
• display none removes element from layout flow

• visibility hidden hides element but still takes up space

• display none will not take up any space on the page

• visibility hidden will still take up space on the page
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Q1. Disadvantages of javascript
Ans. 
Some disadvantages of JavaScript include lack of type safety, potential for bugs due to dynamic typing, and limited support for multithreading.
• Lack of type safety can lead to errors that are only caught at runtime

• Dynamic typing can make it harder to catch bugs during development

• Limited support for multithreading can make it difficult to write efficient concurrent code
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Q2. Arrow functions
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Q3. Explain Closures
Ans. 
Closures are functions that have access to their own scope, as well as the scope in which they were defined.
• Closures allow functions to access variables from their outer scope even after the outer function has finished executing.

• They are commonly used in event handlers, callbacks, and for data privacy.

• Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { console.log(outerVar
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