AngularJs parent index

AngualrJs ng-repeat使用 $parent.$index

 当时用ng-repeat的时候在其子原属中可以使用$parent.$index获取父级下标,当没有没有多一级的ng-if,一般上级就是$parent.$index

angularJs 

　　Variable Type Details

$index	number	iterator offset of the repeated element (0..length-1)
$first	boolean	true if the repeated element is first in the iterator.
$middle	boolean	true if the repeated element is between the first and last in the iterator.
$last	boolean	true if the repeated element is last in the iterator.
$even	boolean	true if the iterator position $index is even (otherwise false).
$odd	boolean	true if the iterator position $index is odd (otherwise false).