TypeScript Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

TypeScript Interview Questions

Questions Answers Views Company eMail

What do you mean by interfaces?

105

Is native javascript supports modules?

137

What do you understand by classes in typescript? List some features of classes.

Who developed typescript and what is the current stable version of typescript?

127

What is typescript? How is it different from javascript?

130

List types of scopes available in javascript?

131

What do you understand by classes in typescript?

107

What is the current stable version of typescript?

167

What are closures in javascript?

1 1201

List the built-in types in typescript.

109

What is default visibility for properties/methods in typescript classes?

152

Explain decorators in typescript?

108

How to compile a typescript file?

160

Explain decorators in typescript? List type of decorators available in typescript?

How to declare a namespace in typescript?

117

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Un-Answered Questions { TypeScript }

What is static typing in typescript?

155

How many types you defined?

105

How to generate typescript definition file from any .ts file?

178

How to create fields, constructor and function in typescript class?

132

How do you implement inheritance in typescript?

161

How to compile multiple typescript files into a single file?

155

How to check null and undefined in typescript?

135

Explain interfaces with reference to typescript.

119

Is native javascript supports modules?

137

What is a typescript map file?

146

What are variables in typescript?

155

What is type assertions in typescript?

145

Why should I use typescript?

128

What is lambda/arrow functions?

129

What’s an internal module?

104

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