src/JSAPI/superSimpleTwoWay.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<input type="text" placeholder="enter……">
<span id="app"></span>
<script>
const vetar = {};
Object.defineProperty(vetar, 'model', {
set(val) {
document.querySelector('input[type=text]').value = val;
document.querySelector('#app').innerHTML = val;
},
});
document.addEventListener('keyup', (e) => {
vetar.model = e.target.value;
});
</script>
</body>
</html>