触发元素onload上的单击

Question

Angular.js

如何触发第一组的点击---＆gt;第一项---＆gt;首先'.preamatchGame'元素

<div class="first" ng-repeat="group in groups"> 
  <div class="second" ng-repeat="item in items">    
    <div ng-class='{active: $first && $parent.$first}'>
      <div class="prematchGame" ng-click="selectGame(prematchGame.id)"></div>
    </div>
  </div>
</div>