<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="https://cdn.bootcdn.net/ajax/libs/vue/2.6.12/vue.js"></script>
</head>
<body>
<div id="app">
<input v-model="message"><button @click="submit">提交</button>
<div v-show="isShow">{{message}}</div>
</div>
</body>
<script>
var vm = new Vue({
el:'#app',
data() {
return {
message:'',
isShow:false
}
},
methods: {
submit() {
this.isShow = true
}
}
})
</script>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<input type="text" id="input" />
<button id="button">提交</button>
<p id="p"></p>
<script>
const inputDom = document.getElementById('input')
const buttonDom = document.getElementById('button')
const pDom = document.getElementById('p')
buttonDom.onclick=function () {
pDom.innerText=inputDom.value
}
</script>
</body>
</html>