将焦点设置在表行元素上

I have a table list of items that I want to be able to scroll through using the keyboard up and down buttons. I am currently able to get the similar desired effect of moving down the list with the tabindex attribute. I am also using ng repeat to generate the instances of the elements. Tips or clues on how to achieve being able to focus and scroll up and down the list by using the up and down keys?I have a table list of items that I want to be