<li v-for="on in list" v-bind:key="on.key">{{ on.title }}<button v-on:click="deleteList(on.key)">Delete</button></li>

<li v-for="(on, index) in list" v-bind:key="on.key">{{ on.title }}<button v-on:click="deleteList(index)">Delete</button></li>

document.addEventListener('touchmove', BBB.bind(this, AAA));
// или
document.addEventListener('touchmove', function () {
  BBB(AAA);
});

<a  class="ym-trigger"  href="tel:+7812 331 17 xx">+7 (812) 331-17-xx </a>

window.onload = function () {
  document.querySelectorAll('.ym-trigger').forEach(function ($el) {
    $el.addEventListener('click', function () {
      window.ym(20084554, 'reachGoal', 'tel');
    });
  });
};