Vue

HTML

<div id="app">
  <h2>Todos:</h2>
  <ol>
    <todo-item v-for="(todo, index) in todos" :index="index" :title="todo.title" :done="todo.done" @cross-clic="removeTask(index)" ></todo-item>
  </ol>
</div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}

li {
  margin: 8px 0;
}

h2 {
  font-weight: bold;
  margin-bottom: 15px;
}

del {
  color: rgba(0, 0, 0, 0.3);
}

a {
  text-decoration: none;
}

Vue

// Définition du composant "enfant" <todo-item>
const TodoItem = {
  props: {
  	index: Number,
  	title: String,
    done: Boolean
  },
	template: `<li>
  					   <label>
        				 <input type="checkbox" v-model="done">
                 {{ title }}
      			   </label>
               <a href="#" @click.prevent="removeMe">❌</a>
             </li>`,
  methods: {
  	removeMe : function() {
    	this.$emit("cross-clic", this.index);
    }
  }
}



// Instance de Vue (composant "parent" principal)
new Vue({
  el: "#app",
  components : { TodoItem },
  data: {
  	todos: [
    	{ title: "Nourrir le chat", done: true },
      { title: "Faire les courses", done: true },
      { title: "Apprendre Vue.js", done: false }
    ]
  }
})