Canva Senior Frontend Software Engineer Interview Questions and Answers

3 Angular coding question was there. 1.5 hour Machine test.

Q1. Pass by Value, pass by reference
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Q2. What is !! Operator
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The !! operator is used to convert a value to a boolean type by negating it twice.
• The !! operator is used to convert a value to a boolean type.

• It first negates the value, then negates it again to return a boolean.

• Example: !!'hello' will return true, as a non-empty string is truthy.
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Q3. How to handle multiple API if they are inter related each other in Angular?
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Use Angular services to manage multiple APIs, create separate services for each API, and handle interdependencies using observables and RxJS operators.
• Create separate Angular services for each API to encapsulate API calls and logic.

• Use observables and RxJS operators to handle asynchronous data flow and manage interdependencies between APIs.

• Implement error handling and retry mechanisms to ensure robustness when dealing ...read more
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