1.Installation npm install -g @vue/cli @vue/cli-service-global vue ui / vue create app-name

2.data() 3.Display data with {{ }} 4.Events with options 5.Methods 6.Computed properties 7.Watchers 8.Lifecycle hooks 9.v-if, v-show 10.v-for, key binding and how to get index 11.v-model - lazy loading 12.:class="", :class="{'--extend': characters > 100}" 13.scoped style, sass (node-sass, sass-loader) 14.Components (local/globaly registered) 15.Props, event $emit with param 16.Slots 17.How to change props 18.Custom directives 19.Teleport 20.Mixins

21.Composition API 22.Ref, reactive, toRefs 23.Async components 24.Suspense 25.Provide and inject

26.Vue js bundling process: -public folder -routing lazy-loading -async components

Routing - default component vs lazy-loaded chunk Vue Resources - requesty VeeValidate - walidacja formularzy Vuex - state management PWA Vue DevTools

eslint essentials -> "plugin:vue/vue3-strongly-recommended" vetur template interpolation:on

.prettierrc settings { "semi": true, "singleQuote": true, "trailingComma": "none" }

to add external style - vue.config.js: module.exports = { css:{ loaderOptions:{ sass:{ prependData: '@import "@/styles/base.scss";' } } } }