<div id="app">
<button type="button" @click="count++">
Count is: {{ count }}
</button>
<hr/>
<button type="button" @click="sayHi">打招呼</button>
</div>const { createApp } = Vue;
const app = createApp({
data() {
return {
count: 0,
};
},
methods: {
sayHi() {
window.alert('Hello Ray.');
},
},
});
app.mount('#app');
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