new Vue实例的几种写法

写法一:

new Vue({
    el: '#app',
    router,
    template: '<App/>',
    components: { App },
})

写法二:

new Vue({
    router,
    template: '<App/>',
    components: { App },
}).amount('#app')

写法三:

new Vue({
    router,
    render: h => h(App),
}).amount('#app')

或者

new Vue({
    router,
    render:function(h){
        return h(App);
    },
}).amount('#app')

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转载自blog.csdn.net/zhooson/article/details/79103260
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