JavaScript Introduction

API to handle JS asynchronous calls?

• Async/Await

• Promises

• Callback functions

• All of the above

How to do error handling in JS?

• Using try Catch

• using console.log

• using Error classes

• None of the above

Javascript is nonblocking single thread language?

• Yes

• No

• Maybe

• None of the above

Which array method can returns a modified array?

• Map

• Reduce

• forEach

• None of the above

Which array method returns only filtered array based on logic?

• Map

• Filter

• forEach

• None of the above

Which JS data structure hold data in linear way during runtime?

• Object

• Array

• Object

• JSON

Where we can check application Odata network call in debug mode?

• Console

• Network

• Source

• None of the above

Which method is not belong to JS array here?

• Push()

• Pop()

• Unshift()

• Values()

Which method is not belong to JS Objects here?

• Keys()

• Keys()

• Shift()

• None of the above