<a href="#" id="callback">
id
не уникален, у двух элементов один и тот же.<a href="#" class="callback">
$('.callback').click ...
var myCars = [
{ bmw: "E30", audi: "80", toyota: "Camry"},
{ bmw: "E46", audi: "TT", toyota: "Prius"},
{ bmw: "E92", audi: "100", toyota: "Tundra"}
];
var bmwCars = myCars.map( function(a) {return a.bmw});
console.log(bmwCars);//["E30", "E46", "E92"]
@Component({
moduleId: module.id,
selector: 'sidebar-module'
...
});
export const routes: Routes = [
...
{ path: 'users/:id', component: SidebarModule }
...
];
var k = 0
return ++k