What is the meaning of * in *ngFor in angular2?

Question

What is the meaning of * before ngFor in following sample and why it is needed?

  {{hero.         


        
      

Answer 1

In *ngFor the * is a shorthand for using the new angular template syntax with a template tag, this is also called structural Directive.It is helpful to know that * is just a shorthand to explicitly defining the data bindings on a template tag.