有没有办法获得关键＆＃39;在范围内的ng-repeat。$ watch
<div ng-repeat="(key, contents_extended_data) in moderation.contents">
<img src="" id='target_photo_[[contents_extended_data.reference]]'>
</div>
// I can't find any variable that can get the value of the key in Angular documentation
scope.$watch('$index',function(v){
// do something here using the id of the image
$('#target_photo_' + v)
});
提前致谢