<div id="app">
  <div class="p-5">
    <h3>methods 的結構</h3>
    <ul>
      <li>由 methods 定義的物件</li>
      <li>內層均是函式</li>
    </ul>

    <h3>methods 的觸發方法(點擊、其它 options api、生命週期...)</h3>
    <button type="button" @click="trigger('Click Methods')">點擊觸發</button>

    <button type="button" @click="callOtherMethod" class="ms-1">呼叫另一個 methods</button>
  </div>
</div>
const App = {
  data() {
    return {
      num: 10,
      products: [
        {
          name: '蛋餅',
          price: 30,
          vegan: false
        },
        {
          name: '飯糰',
          price: 35,
          vegan: false
        },
        {
          name: '小籠包',
          price: 60,
          vegan: false
        },
        {
          name: '蘿蔔糕',
          price: 30,
          vegan: true
        },
      ],
      carts: [],
      sum: 0,
    }
  },
  methods: {
    trigger(name) {
      console.log(name, '此事件被觸發了')
    },
    callOtherMethod() {
      this.trigger('由 callOtherMethod 觸發')
    },
    methodParameter(a, b, c, d) {
      console.log(a, b, c, d)
    },
    // addToCart(product) {
    //   this.carts.push(product)
    // },
    // calculate() {
    //   let total = 0;
    //   this.carts.forEach(item => {
    //     total += item.price;
    //   });
    //   this.sum = total;
    // },
    // convertToAmount(price) {
    //   return `NT$ ${price}`;
    // }
  },
  created() {
    this.trigger('由生命週期觸發');
  }
};
Vue.createApp(App).mount('#app');
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External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.0.2/css/bootstrap.min.css

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/vue/3.2.37/vue.global.prod.min.js
  2. https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.3.2/js/bootstrap.min.js