<div *ngIf="condition">...</div>

<li *ngFor="let item of items;">...</li>

import { Component } from '@angular/core';

@Component({

    selector: 'sl-user',

    template: `

    <div *ngIf="showSkills">

        <ul>

            <li *ngFor="let skill of skills">

                {{skill}}

            </li>

        </ul>

    </div>

    `

})

export class UserComponent {

    showSkills: boolean;

    skills: string[];

    constructor() {

        this.showSkills = true;

        this.skills = ['AngularJS 1.x', 'Angular 2.x', 'Angular 4.x'];

    }

}