<ul id="userList">
  <li v-for="name in names" v-on:click="showName(name)">
    {{name}}
  </li>
</ul>

var userList = new Vue({
	el: "#userList",
	data: {
	 	names: ["Joe", "Kim", "Dave", "Ron", "Bill"]
   	},
	methods: {
	 	showName: function showName(name) {
	 	 	alert(name);
	 	}
	}
})