<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.7.9/angular.min.js"></script>

<div ng-app="myApp" ng-controller="myController">
  <ul>
    <li ng-repeat="item in collection">{{ item }}</li>
  </ul>
</div>

angular.module('myApp', [])
  .controller('myController', function($scope) {
    $scope.collection = []; // 初始化集合为空数组

    // 随机生成输入数组
    var inputArray = generateRandomArray();

    // 修改集合
    $scope.modifyCollection = function() {
      $scope.collection = inputArray;
    };

    // 生成随机数组的函数
    function generateRandomArray() {
      var array = [];
      for (var i = 0; i < 10; i++) {
        array.push(Math.floor(Math.random() * 100));
      }
      return array;
    }
  });

<button ng-click="modifyCollection()">修改集合</button>