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Angular Developer Interview Questions

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1,607 angular developer interview questions shared by candidates

In Telephonic round: 1. What is encapsulation? 2. What is change detection? 3. What are directives? 4. How we can add style to the particular component? 5. What is the difference between local storage and session storage? 6. What is the difference between let, var, and const? 7. How to concatenate two objects? In Video call: 1. Scenario-based question: If the graph is working in one browser and not working in another browser. How will you handle it? 2. How we can add a meta tag? 3. What is a viewport? 4. How we can add external CSS related to the particular browser? 5. What is a closure? 6. What is the difference between __proto__ and prototype? 7. var a = [1,2,3,4,5,6,7,8,9,0]; a[40] = 40; console.log(a.length); 8. What are web workers? 9. How to handle offline applications? 10. What is encapsulation? 11. What is lazy loading? 12. How you will optimize the angular application?
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Angular Developer

Interviewed at Cognizant

3.5★
Aug 19, 2021

In Telephonic round: 1. What is encapsulation? 2. What is change detection? 3. What are directives? 4. How we can add style to the particular component? 5. What is the difference between local storage and session storage? 6. What is the difference between let, var, and const? 7. How to concatenate two objects? In Video call: 1. Scenario-based question: If the graph is working in one browser and not working in another browser. How will you handle it? 2. How we can add a meta tag? 3. What is a viewport? 4. How we can add external CSS related to the particular browser? 5. What is a closure? 6. What is the difference between __proto__ and prototype? 7. var a = [1,2,3,4,5,6,7,8,9,0]; a[40] = 40; console.log(a.length); 8. What are web workers? 9. How to handle offline applications? 10. What is encapsulation? 11. What is lazy loading? 12. How you will optimize the angular application?

It starts with Angular, - Ways to pass data between component - what is Custom directive - How to migrate code from Angular 7 to Angular 10 Then Springboot - what @SpringbootApplication annotation does - how to catch exceptions globally - How controller advice works - Then Java - difference between map and collect stream api - sort list using stream API based on employee name
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Fullstack (Java+Angular) Developer

Interviewed at Cognizant

3.5★
Jan 7, 2022

It starts with Angular, - Ways to pass data between component - what is Custom directive - How to migrate code from Angular 7 to Angular 10 Then Springboot - what @SpringbootApplication annotation does - how to catch exceptions globally - How controller advice works - Then Java - difference between map and collect stream api - sort list using stream API based on employee name

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