The <ui:repeat> tag is a component handler that is capable of iterating over a collection, and at each iteration, it adds a copy of its child elements in the component tree. We can say that <ui:repeat> acts as a <h:dataTable> tag without rendering an HTML table. Of course, you can do that explicitly, by wrapping its mechanism in a <table>, <tr>, and <td> suite (you will see an example in the upcoming section, Using the jsfc attribute).

It contains a set of very handy attributes that deserve to be mentioned before an example. Besides the well known attributes, value (representing the collection to iterate as java.lang.Object) and var (representing the iterator as java.lang.Object), we have––all the following attributes that are optional: