Check out example codes for "The Angular CLI process did not start listening for requests within the timeout period of 0 seconds.". It will help you in understanding the concepts better.

Code Example 1

//Resolved it by Changing

"scripts": {   
        "start": "ng serve",
to:

 "scripts": {   
        "start": "echo Starting... && ng serve",
          
          
//in package.json file

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