Angular Assessment

Angular Assessment

January 20, 2021

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1. Angular web application can only be written using Typescript as code behind language
2. What will be the output of below program? function fun(input: boolean) { if(input) { let b = a + 1; return b; } return b; }
3. Optional parameter is marked using below syntax:
4. In Angular, you can pass data from parent component to child component using
5. We can have constructor overloading in Typescript
6. In Angular, you can hide/remove HTML element using
7. There can be more than one RootModule in Angular
8. ngFor can be applied on any HTML tag e.g. and not just
9. We can implement two-way data binding using
10. For standard HTML onclick event, we can have below Angular event
11. EventEmitter data type implementation uses generics concept of Typescript.
12. You can update background color of HTML tag using [ngStyle]
13. You can have more than one #local variable for an HTML element. E.g.
14. Angular custom/built-in Directives cannot listen to standard HTML event raised on their host
15. Using Template Driven Form, you can create dynamic form layout
16. Choose correct form control class name which is set to true when blur event gets fired on control
17. Angular Service can be injected at Root Module, Feature Module or Component level
18. You can modify DOM of target element using Pipe
19. You can define 404 route using below wild card route path
20. Below service can be injected in your component to do dynamic route navigation
21. Angular template can be defined inline as well as a separate html file
22. Angular can be used with different module bundle packages apart from WebPack like Systemjs, Commonjs etc
23. Below tool is used for Static Code analysis of Angular application
24. Below construct provide modular structure to angular application
25. Pipes modify underlying value of bound expression/variables
26. Which decorator is used for declaring class as a Service
27. Below module is required for building reactive forms
28. Directive object can be created and used in HTML without target host DOM element
29. Using below directive you can modify inner HTML of DOM element
30. Pick incorrect type of pipe in angular
31. If one service is provided at different NgModule and Component here will be only one instance of that service
32. Below life cycle hook is executed when component is destroyed
33. Select type of pipe Angular executes during every change detection cycle of component
34. In Angular application there can be at most one can be used for routing
35. Which router function should be called in to feed route configuration for lazy routing approach
36. Which routing guard is used to check whether routing can take place or not
37. void => * transition animation gets applied when
38. * => void transition animation gets applied when
39. Below compilation option create smaller in size and faster in performance angular distributed package
40. If you provide a service in two components' “providers” section of @Component decorator, how many instances of service shall get created?
sanjith

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