Vuej.js; Крашится Chrome при дебаге

<template> 
        <div id="app"> 
            <div class="Test"> 
                <div style="padding: 10px"> 
                    <select name="LeaveType" v-model="selectData" @change="selectAction"> 
                        <option>First</option> 
                        <option>Second</option> 
                        <option>Third</option> 
                        <option>Fourth</option> 
                    </select> 
                    selectData = {{selectData}} 
                </div> 
                <div style="padding: 10px"> 
                    <input v-model="inputData" > 
                    inputData = {{inputData}} 
                </div> 
 
            </div> 
        </div> 
    </template> 
 
    <script> 
 
        export default { 
            name: 'app', 
 
            data() { 
                return { 
                    selectData: "Second", 
                    inputData: "hello" 
                } 
            }, 
            props: {}, 
            watch: { 
                selectData: function (newValue, oldValue) { 
                    console.log("watch selectData ( newValue = ", newValue, " )"); 
                }, 
                inputData: function (newValue, oldValue) { 
                    console.log("watch inputData ( newValue = ", newValue, " )"); 
                }, 
            }, 
            methods: { 
                selectAction() { 
                    console.log("selectAction"); 
                }, 
                inputAction() { 
                    console.log("inputAction"); 
                } 
            }, 
 
 
        } 
    </script> 
 
    <style> 
        #app { 
            font-family: 'Avenir', Helvetica, Arial, sans-serif; 
            -webkit-font-smoothing: antialiased; 
            -moz-osx-font-smoothing: grayscale; 
            text-align: center; 
            color: #2c3e50; 
            margin-top: 60px; 
        } 
 
        h1, h2 { 
            font-weight: normal; 
        } 
 
        ul { 
            list-style-type: none; 
            padding: 0; 
        } 
 
        li { 
            display: inline-block; 
            margin: 0 10px; 
        } 
 
        a { 
            color: #42b983; 
        } 
    </style>