Call a function inside ngFor in angular2

Question

Hello I am using Angular2 and wanted to fetch the server and get some values for each ID I get inside ngFor.

Answer 1

Component({
    selector:'heroes',
    template: `
    

        

            
Name
        
        

            

                
{{hero.name}}
            
        
    
`
})
export class Heroes {

    heroes = HEROES;

    trackHero(index, hero) {
        console.log(hero);
        return hero ? hero.id : undefined;

    }
}