After running ng new test-app --routing --style=css and then cd test-app followed by ng serve, what will happen?

medium📝 component behavior Q13 of 15

Angular - Fundamentals

After running ng new test-app --routing --style=css and then cd test-app followed by ng serve, what will happen?

AThe app will fail to compile due to missing routing module

BThe Angular app will compile and be available at http://localhost:4200

CThe app will compile but show a blank page because CSS is not supported

DThe command will throw an error because 'ng serve' must be run before 'cd test-app'

Step-by-Step Solution

Solution:

Step 1: Understand Angular CLI workflow
Creating a project with routing and CSS style is valid. Changing directory into the project folder is required before serving.
Step 2: What ng serve does
ng serve compiles and launches a local server at port 4200 by default, showing the app in the browser.
Final Answer:
The Angular app will compile and be available at http://localhost:4200 -> Option B
Quick Check:
ng serve runs app at localhost:4200 [OK]

Quick Trick: Run ng serve inside project folder to view app in browser [OK]

Common Mistakes:

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