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<html>
<head>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/axios.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/lodash.min.js"></script>
</head>
<body>
<div id="todo-list-example">
<form v-on:submit.prevent="addNewTodo">
<label for="new-todo">Add a todo</label>
<input
v-model="newTodoText"
id="new-todo"
placeholder="E.g. Feed the cat"
>
<button>Add</button>
</form>
<ul>
<li
is="todo-item"
v-for="(todo, index) in todos"
v-bind:key="todo.id"
v-bind:title="todo.title"
v-on:remove="todos.splice(index, 1)"
></li>
</ul>
</div>
<script type="text/javascript">
Vue.component('todo-item', {
template: '\
<li>\
{{ title }}\
<button v-on:click="$emit(\'remove\')">Remove</button>\
</li>\
',
props: ['title']
})
new Vue({
el: '#todo-list-example',
data: {
newTodoText: '',
todos: [
{
id: 1,
title: 'Do the dishes',
},
{
id: 2,
title: 'Take out the trash',
},
{
id: 3,
title: 'Mow the lawn'
}
],
nextTodoId: 4
},
methods: {
addNewTodo: function () {
this.todos.push({
id: this.nextTodoId++,
title: this.newTodoText
})
this.newTodoText = ''
}
}
})
</script>
</body>
</html>
效果图：
