index.html 1.13 KB
<!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>
    <div id="app">
        <input type="number" v-model.lazy="price" @change="handleChange(event)" onkeyup="test(event)">
        
    </div>
    <script src="https://cdn.bootcdn.net/ajax/libs/vue/2.6.9/vue.min.js"></script>
    <script>
        // value=value.replace(/[^\d^\.]+/g,'')
        function test(event) {
            event.target.value = event.target.value.replace(/[^\d^\.]+/g,'')
        }
        var app = new Vue({
            el: '#app',
            data: {
                price: null
            },
            methods: {
                handleChange: function(event) {
                    // event.target.value = "789";
                    console.log(event.target.value);
                    // this.price = null;
                    this.price = event.target.value;
                    console.log(this.price);
                }
            }
        })
    </script>
</body>

</html>