window.onload=function(){
                var vm= new Vue({
                    el:‘#box‘,
                    data:{
                        msg:‘Hello word‘
                    },
                    created:function(){
                        alert(‘实例已经创建‘)
                    },
                    beforeCompile:function(){
                        alert(‘编译之前‘)
                    },
                    compiled:function(){
                        alert(‘编译之后‘)
                    },
                    ready:function(){
                        alert(‘插入到文档中‘)
                    },
                    beforeDestroy:function(){
                        alert(‘销毁之前 ‘)
                    },
                    destroyed:function(){
                        alert(‘销毁之后‘)
                    }
                    
                });
                 document.onclick=function(){
                    vm.$destroy()      //让销毁管用
                };
           };