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Let’s look at some popular TypeScript interview questions asked in technical interviews. To better understand what type of questions to expect, we’ll look at TypeScript interview questions for freshers and experienced professionals.
Here’s what we’ll cover in this article:
Arrays in TypeScript are a collection of items of the same data type. The elements in an array are indexed and ordered.
This is one of the most common TypeScript interview questions asked in technical interviews. Some common applications and benefits of using TypeScript include:
No, the values of array elements can only be modified but not erased in TypeScript.
The three access specifiers supported by TypeScript include:
This is another important TypeScript interview question that is asked at technical interviews. To convert a string into a number, the methods you can use include:
Let’s look at some sample TypeScript interview questions to help you prepare for your upcoming tech interview.
Advanced TypeScript interview questions are often asked at interviews for experienced developers. To give you an idea of the type of questions asked, let’s look at some TypeScript interview questions for experienced developers.
This is one of the most common TypeScript interview questions asked at developer interviews. The Omit type is primarily used to exclude certain properties from a class.
Some disadvantages of using TypeScript include:
The Record type in TypeScript helps you create a typed map, allowing you to perform various functions, including defining map tiles and translating coordinate systems to scale.
The .map file in TypeScript is used for debugging code. The .map can be used by setting the sourcemap compiler option as true in the tsconfig.json.
This is one of the most popular TypeScript interview questions asked at developer interviews. Some drawbacks of using TypeScript declaration files are:
We’ve listed some TypeScript programming interview questions that feature in tech interviews to give you a clear idea.
For more coding problems, check out our all-inclusive Problems Page.
Make sure to practice these above TypeScript interview questions to get ready for your next interview!
Q1. What is TypeScript?
Q2. What are some advantages of using TypeScript?
Q3. What type of TypeScript interview questions are asked at software engineering interviews?
TypeScript interview questions asked at software developer interviews are mostly around data types, functions, methods, directives, libraries, and types.
Q4. What are some important topics to prepare to answer TypeScript coding interview questions?
Some important topics to prepare to solve TypeScript coding interview questions effectively are - Linked Lists, Arrays, Graphs, Trees, Greedy Algorithms, Recursion, and Hash Tables.
Q5. What is the average TypeScript developer salary in the US?
The average TypeScript developer salary in the US is $80,760 per year, according to glassdoor.com
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