ngFor is a directive that iterates over collection of data. NgFor can be used with asterisk(*).
###NgFor Local Variables
indexwill be set to the current loop iteration for each template context.firstwill be set to a boolean value indicating whether the item is the first one in the iteration.lastwill be set to a boolean value indicating whether the item is the last one in the iteration.evenwill be set to a boolean value indicating whether this item has an even index.oddwill be set to a boolean value indicating whether this item has an odd index.