Vue入門

1. 引入Vue

<script src="https://unpkg.com/vue/dist/vue.js">

1. 數據渲染

//HTML
<div id="app">
  {{ message }}
</div>
//JS
var app = new Vue({
  el: '#app',
  data: {
    message: 'Hello Vue!'
  }
})

1. 綁定 DOM 元素屬性

//HTML
<div id="app-2">
  <span v-bind:title="message">
    Hover your mouse over me for a few seconds to see my dynamically bound title!
  </span>
</div>
//JS
var app2 = new Vue({
  el: '#app-2',
  data: {
    message: 'You loaded this page on ' + new Date()
  }
})

1. 條件與循環

/*
**if
*/
//HTML
<div id="app-3">
  <p v-if="seen">Now you see me</p>
</div>
//JS
var app3 = new Vue({
  el: '#app-3',
  data: {
    seen: true
  }
})
/*
**for
*/
//HTML
<div id="app-4">
  <ol>
    <li v-for="todo in todos">
      {{ todo.text }}
    </li>
  </ol>
</div>
//JS
var app4 = new Vue({
  el: '#app-4',
  data: {
    todos: [
      { text: 'Learn JavaScript' },
      { text: 'Learn Vue' },
      { text: 'Build something awesome' }
    ]
  }
})

1. 處理用戶輸入

//HTML
<div id="app-5">
  <p>{{ message }}</p>
  <button v-on:click="reverseMessage">Reverse Message</button>
</div>
//JS
var app5 = new Vue({
  el: '#app-5',
  data: {
    message: 'Hello Vue.js!'
  },
  methods: {
    reverseMessage: function () {
      this.message = this.message.split('').reverse().join('')
    }
  }
})
//HTML
<div id="app-6">
  <p>{{ message }}</p>
  <input v-model="message">
</div>
//JS
var app6 = new Vue({
  el: '#app-6',
  data: {
    message: 'Hello Vue!'
  }
})