html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<input type="text" onkeydown="abc(event)">
<script>
function abc(e) {
var keyNum = e.keyCode;
// String.fromCharCode
var keyChar = String.fromCharCode(keyNum);
console.log(keyNum + keyChar);
}
</script>
</body>
</html>
vue
<input class="ipt" type="text" @keydown="test6">
test6(e) {
// console.log(event.keyCode + '----' + event.target.value);
console.log(e.keyCode);
var ipt = document.querySelector('.ipt');
// console.log(ipt);
if (e.keyCode == 13) {
localStorage.setItem('name', ipt.value);
ipt.value = '';
}
}