mini-vue2-completed/index-computed.html at main · greenhand-xj/mini-vue2-completed · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <!-- <div style="color: skyblue">{{msg}} hello {{a.b.c.d}} 123</div>
    <span>{{ list[0] }}</span>
    <span>wodehsieji</span>
    <br /> -->
    <div id="app" style="color: red; font-size: 16px">
      {{fullName}} {{fullName}} {{fullName}}
    </div>

    <script src="dist/vue.js"></script>

    <script>
      const vm = new Vue({
        el: '#app',
        data() {
          return {
            firstName: 'xu',
            lastName: 'jie',
          }
        },
        computed: {
          fullName() {
            console.log('run')
            return this.firstName + this.lastName
          },
          // fullName: {
          //   get() {},
          //   set() {},
          // },
        },
      })
      setTimeout(() => {
        vm.firstName = 'xu123'
      }, 1000)
    </script>
  </body>
</html>