判断题
A.addressB.routerC.forD.to
A.JavaScriptB.C++C.PythonD.Java
A.beforecreated()B.mounted()C.created()D.beforeDestory()
A.methodsB.createdC.watchD.mounted
A.mounted()B.destoryed()C.beforeeach()D.create()
A.npm install vueB.npm uninstall vueC.node.js install vueD.node install vue
A.< button :dbclick="addnote()">< /button>B.< button @dbclick="addnote()">< /button>C.< button @click="addnote()">< /button>D.< button :click="addnote()">< /button>