Vue Js Select Input Text on Focus

<html>
<head>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <h3>Vue Js Select Input Text on Focus</h3>
        <label for="myInput">Input:</label>
        <input id="myInput" v-model="inputValue" @focus="selectInput">
    </div>
    <script type="module">
        const app = new Vue({
            el: "#app",
            data() {
                return {
                    inputValue: 'FontAwesomeicons.com'
                }
            },
            methods: {
                selectInput(event) {
                    event.target.setSelectionRange(0, event.target.value.length)
                }
            }
        });

</script>
    <style scoped>
        #app {
            margin: 20px;
            padding: 20px;
            border: 1px solid black;
        }

label {
            font-weight: bold;
        }

input:focus {
            border-color: blue;
            outline: none;
        }
    </style>
</body>

</html>