实例

• JSmethods.js 中定义两个方法

let = printHello = function () {
    console.log('Hello');
}
function printWorld(){
    console.log('World');
}

• 页面引入

 <script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.min.js"></script>
    <script src="./JSmethods.js"></script>
    

• 调用

    <script>
        console.log('JS中调用');
        printHello();
        printWorld();
        printJS();

        function printJS(){
            console.log('JavaScript');
        }
        new Vue({
            methods:{
                inVue(){
                    console.log('Vue的methods调用');
                    printHello()
                    printWorld()
                    printJS()
                }
            },
            created:function(){
                this.inVue()
                console.log('created中调用');
                printHello()
                printWorld()
                printJS()
            }
        })
    </script>

• 打印结果