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Angular Question Bank

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2024/2025 Escrito para el año académico
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What is Angular? Angular is a TypeScript-based open-source front-end web application platform. Difference between Angular JS and Angular? Angular JS is based of of JavaScript while Angular utilizes TypeScript, which is then transcribed to JavaScript. Technologies that you should include for your environment to create an Angular application? Node.JS - A JavaScript runtime built on Chrome's V8 JavaScript engine. NPM (Node Package Manager) - It is the default package manager for Node.JS. Angular CLI - A command line interface used to structure and build angular applications. What is Angular CLI? Angular CLI is a command line interface used to structure and build angular applications using Node.JS style modules. It also handles many common tasks for you, such as generating directives, services, and components. How to create a new Angular project using Angular CLI? ng new project-name (Folder structure) What is e2e? ng e2e project-name builds and serves an angular app then runs end-to-end testing end-to-end testing is a form of testing that tests an application's workflow from beginning to end (Folder structure) What is node_modules? library/dependencies that our angular project is going to use (Folder structure) What is src? where we will work most, contains the "single" html file with our view Where is the app folder located? What files does it contain (if created by Angular CLI) the app folder is located within the src folder it contains , .html, .ts, ., and files What is a decorator? A Decorator is a special kind of declaration that can be attached to a class declaration, method, accessor, property, or parameter. They are functions that are called at declaration. Decorators look a lot like annotations and are used to hold meta data in Angular 2+. What is a module? In JavaScript/TypeScript, "modules" refers to small units of independent reusable code. When you use the key word "export" on a class it becomes a module for another file to import later. What is @NgModule? What are some of the attributes inside of the @NgModule decorator? @NgModule takes a metadata object that describes how to compile a component's template and how to create an injector at runtime. declarations, imports, providers,

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Angular Question Bank iy iy




WhatiyisiyAngular? AngulariyisiyaiyTypeScript-basediyopen-sourceiyfront-
endiywebiyapplicationiyplatform.
DifferenceiybetweeniyAngulariyJSiyandiyAngular?
AngulariyJSiyisiybasediyofiyofiyJavaScriptiywhileiyAngulariyutilizesiyTypeScript,iywhichiyisiytheniyt
ranscribediytoiyJavaScript.
TechnologiesiythatiyyouiyshouldiyincludeiyforiyyouriyenvironmentiytoiycreateiyaniyAngulariyapplication?
Node.JSiy-iyAiyJavaScriptiyruntimeiybuiltiyoniyChrome'siyV8iyJavaScriptiyengine.
NPMiy(NodeiyPackageiyManager)iy-iyItiyisiytheiydefaultiypackageiymanageriyforiyNode.JS.
AngulariyCLIiy-iyAiycommandiylineiyinterfaceiyusediytoiystructureiyandiybuildiyangulariyapplications.
WhatiyisiyAngulariyCLI?
AngulariyCLIiyisiyaiycommandiylineiyinterfaceiyusediytoiystructureiyandiybuildiyangulariyapplicatio
nsiyusingiyNode.JSiystyleiymodules.iyItiyalsoiyhandlesiymanyiycommoniytasksiyforiyyou,iysuchiyasiygenerati
ngiydirectives,iyservices,iyandiycomponents.
HowiytoiycreateiyaiynewiyAngulariyprojectiyusingiyAngulariyCLI? ngiynewiyproject-name
(Folderiystructure)iyWhatiyisiye2e? ngiye2eiyproject-name
buildsiyandiyservesiyaniyangulariyappiytheniyrunsiyend-to-endiytesting
end-to-
endiytestingiyisiyaiyformiyofiytestingiythatiytestsiyaniyapplication'siyworkflowiyfromiybeginningiytoiyend
(Folderiystructure)iyWhatiyisiynode_modules?
library/dependenciesiythatiyouriyangulariyprojectiyisiygoingiytoiyuse
(Folderiystructure)iyWhatiyisiysrc?
whereiyweiywilliyworkiymost,iycontainsiytheiy"single"iyhtmliyfileiywithiyouriyview
Whereiyisiytheiyappiyfolderiylocated?iyWhatiyfilesiydoesiyitiycontainiy(ifiycreatediybyiyAngulariyCLI)
theiyappiyfolderiyisiylocatediywithiniytheiysrciyfolder
itiycontainsiyapp.component.css,iy.html,iy.ts,iy.spec.ts,iyandiyapp.module.tsiyfiles
Whatiyisiyaiydecorator?
AiyDecoratoriyisiyaiyspecialiykindiyofiydeclarationiythatiycaniybeiyattachediytoiyaiyclassiydeclaration,iy
method,iyaccessor,iyproperty,iyoriyparameter.iyTheyiyareiyfunctionsiythatiyareiycallediyatiydeclaration.iyDec
oratorsiylookiyaiylotiylikeiyannotationsiyandiyareiyusediytoiyholdiymetaiydataiyiniyAngulariy2+.
Whatiyisiyaiymodule?
IniyJavaScript/TypeScript,iy"modules"iyrefersiytoiysmalliyunitsiyofiyindependentiyreusableiycode.i
yWheniyyouiyuseiytheiykeyiywordiy"export"iyoniyaiyclassiyitiybecomesiyaiymoduleiyforiyanotheriyfileiytoiyimpor

tiylater.
Whatiyisiy@NgModule?iyWhatiyareiysomeiyofiytheiyattributesiyinsideiyofiytheiy@NgModuleiydecorator?
@NgModuleiytakesiyaiymetadataiyobjectiythatiydescribesiyhowiytoiycompileiyaiycomponent'siytem
plateiyandiyhowiytoiycreateiyaniyinjectoriyatiyruntime.
declarations,iyimports,iyproviders,iyandiybootstrapiyareiyalliyattributesiythatiycaniyfoundiyinsideiytheiy@Ng
Moduleiydecorator
Whatiyisiyaiycomponent?
Componentsiyareiytheiyfundamentaliybuildingiyblocksiyofiyouriyapplication.
Angulariydocumentation:iyAiycomponentiycontrolsiyaiypatchiyofiytheiyscreeniyrealiyestateiythatiyweiycouldiy
calliyaiyview,iyandiydeclaresiyreusableiyUIiybuildingiyblocksiyforiyouriyapplication.

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