This lesson covers Angular 2’s version of looping through data in your templates: ng-for. It’s conceptually the same as Angular 1’s ng-repeat, but you’ll find the syntax quite different as it aligns with #refs in Angular 2 and JavaScript “for of” loop.
[Angular 2] Using ng-for to repeat template elements
原文：http://www.cnblogs.com/Answer1215/p/5300433.html