console
new Vue({
el: '#root',
data: {
inputValue: null,
items: [],
},
methods: {
pushValue() {
this.items.push(this.inputValue);
this.inputValue='';
},
}
})
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=, initial-scale=">
<meta http-equiv="X-UA-Compatible" content="">
<title></title>
</head>
<body>
<div id='root'>
<div>
<input v-model='inputValue'>
` <button @click='pushValue'>add</button>
</div>
<ul>
<li v-for= "(i,index) in items" :key='index'>{{i}}</li>
</ul>
</div>
</body>
</html>