如何通过materialize css的autocomplete元素的onselect触发事件

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0/css/materialize.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/materialize/1.0.0/js/materialize.min.js"></script>

<div class="input-field">
  <input type="text" id="autocomplete-input" class="autocomplete">
  <label for="autocomplete-input">输入</label>
</div>

document.addEventListener('DOMContentLoaded', function() {
  var elems = document.querySelectorAll('.autocomplete');
  var instances = M.Autocomplete.init(elems, options);
});

var options = {
  data: {
    "选项1": null,
    "选项2": null,
    "选项3": null
  },
  onAutocomplete: function(text) {
    // 在这里编写onselect触发事件的代码
    console.log("选择了：" + text);
  }
};

document.addEventListener('DOMContentLoaded', function() {
  var elems = document.querySelectorAll('.autocomplete');
  var options = {
    data: {
      "选项1": null,
      "选项2": null,
      "选项3": null
    },
    onAutocomplete: function(text) {
      // 在这里编写onselect触发事件的代码
      console.log("选择了：" + text);
    }
  };
  var instances = M.Autocomplete.init(elems, options);
});