If you want to learn about the basics of Angular 4, then you have come to the right place. You don't even need to be an acquaintance with previous versions to have a better understanding of Angular 4. So, let's start! Well, first discuss What is Angular 4?
Angular 4 is a JavaScript framework for creating client applications and apps in HTML, CSS, JavaScript or TypeScript (which is a superset of JavaScript). The code is written in TypeScript which is compiled to JavaScript and shows the same in the browser. The features of Angular 4 are amazing that attracts the developers to use it. Some enthralling animation built-in features are Http service, auto-completion, navigation, menus, toolbar and many more.
So, this is a small introduction about Angular 4. Well, if you want to know more about Angular 4 then read our online interview questions. We have collected the best questions for you that will help you to crack any interviews. Along with that, you will come to know about the pros and cons of Angular 4 in this article. So, scroll down and read the full article.
Below are few major features of Angularjs
Q1. What are $routeProvider and $locationProvider in AngularJs?
Q2. Explain the difference between Factory and Service methods?
Q3. What is $http and $q in AngularJS?
Q4. How to cretae a controller in AngularJS?
Q5. What is difference between ng-model and {{}} and ng-bind?
Q6. What does link function do in a directive?
Q7. Explain promises in AngularJS?
Q8. Explain box model and who introduced it?
Q9. What is asynchronous mean in AngularJS?
Q10. How do you share data between controllers in Angular?
Q11. What is use of angular.copy()?
Q12. What are different types of directives available in AngularJS?
Q13. What are Filters in AngularJS?
Q14. What are authGuards?
Q15. What are http interceptors?
Q16. What is difference between $rootScope and $scope in AngularJS?
Q17. Explain precompile, link, postcompile?
Q18. Explain AngularJS Compliation process?
Q19. What is difference between $scope and scope.
Q20. How to access $rootScope in view?
Q21. How to define a default route in AngularJS?
Q22. How to filter the selected checkbox using AngularJS?
Q23. What is Data Binding in AngularJs?
Q24. What is use of Compiler?
Q25. What is E2E Testing?
Q26. What are CSS classes used by AngularJS?
Angular 4 | Angular 2 |
In Angular 4.0, the size of the bundle file has decreased by 60%. Thus, the size of code generated is reduced which helps to improve the performance of an application. | The code of Angular 2 is bigger, and the file size is also larger. |
For most applications, Angular 4 is backward compatible with Angular 2. | Angular 2 doesn't support backward compatibility with Angular JS. |
Angular 4 allow developers to adjust their code as there are proper disapproval phases. In Angular 2, you can't adjust code | s as there are no specific proper disapproval phases. |
You can pull out Animation features from @angular/core and include into their package | Angular 2 doesn’t offer any animation feature. |
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Calvin Carlo
Calvin is a Senior web developer, a Javascript enthusiast, and a technical writer. He is very interested in learning new technologies and writing technical blogs on It. He loves playing Cricket, watching Hollywood action movies and is big fan of Michael Douglas.