What is the best way to loop through an array that contains a custom data type

When I declared the type:

 export interface Type{
    id: number;
    name: string;
}

I attempted to iterate over an array of this type:

for(var t of types) // types = Type[]
{
  console.log(t.id);
}

However, I encountered the following error message:

D:/Google/services/test.service.ts (33,20): Property 'id' does not exist on type 'Type'.

Answer №1

Attempting to resolve the issue by restarting the server may be helpful.

Encountering an Angular error but after restarting the ng serve command, all functions properly.

Answer №2

Hello, there is another method you can try using forEach

types.forEach(item => {
             console.log(item.id)
        });

Answer №3

The issue stems from the iteration variable t

for(var t of types){}

To resolve this problem, follow this revised code snippet:

var i = 0, len = types.length;
for(; i < len; i++){
      Console.log(types[i]);
}

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