PS C：\ Users \ cash \ angularDemo \ src> ng serve
ng : The term 'ng' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if
a path was included, verify that the path is correct and try again.
At line:1 char:1
+ ng serve
+ ~~
+ CategoryInfo : ObjectNotFound: (ng:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException