wangtao
/
uskyq


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Vue3快速入门</title>
  <style>
    #app div {
      display: none
    }
  </style>
</head>

<body>
  <div id="app">
    <div :style="{'display':'block'}">
      {{text}}
    </div>
  </div>
  <script src="https://cdn.staticfile.org/vue/3.0.5/vue.global.js"></script>
  <script>
    const {ref, createApp ,onMounted} = Vue
    const app = {
      setup() {
        const text = ref(0);
        function aa(){
          text.value=text.value+1
        }
        onMounted(() => {
               aa()
        });
        
        return {
          text,
        }
      }
    }

    createApp(app).mount('#app')
  </script>
</body>

</html>