Vue.js is a growing open-source front-end framework for building single-page applications and user interfaces. Since its first release, Vue.js has been increasing its popularity and gaining new users thanks to its developer-friendly syntax, ease of use, and famously helpful documentation. In Sep...
Let’s consider a scenario where you have acomputedA that depends on acomputedB. In Vue v3.3, if B is re-evaluated, A is also re-evaluated, even if B has the same value as before. In Vue v3.4, A is not re-evaluated if B has the same value as before. This is also true for...
Vue 3 has several ways to declare a component. You can use the Options API (which is the API used in Vue 2), but the new and recommended way is to use the Composition API. import{defineComponent,ref}from'vue';exportdefaultdefineComponent({name:'NavBar',setup(){constnavbarCollapsed=ref(...
First, though, we need to make sure we’re on the same page. So let me take a bit to explain what, exactly, a composable is. What is a Composable? According to theVue documentation, a composable is “a function that leverages Vue Composition API to encapsulate and reusestateful logic”...
A Dark Set of Material Design Themes A set of new 5 dark Material Design themes are available in v18.2. You can use them 'as is' or inherit a custom dark Material Design theme. Demo MVC Controls Bootstrap 4 in MS Visual Studio Project Templates We have upgraded the Twitter Bootstrap ...
Reactivity in Composition API Along withref, we can also usereactivefor objects. Both of these give variables reactive capabilities, meaning we don't lose any functionality. The benefits of the Composition API As you can see, the composition API is a lot more streamlined than the Options API ...
{ref,computed}from'vue';constproducts=ref([{id:1,name:'Product A',price:50},{id:2,name:'Product B',price:30},{id:3,name:'Product C',price:20}]);constcart=ref([]);constaddToCart=(product)=>{constitem=cart.value.find(item=>item.id===product.id);if(item){item.quantity++;}...
, HOCs is a pattern derived from React in which one component is wrapped with another component that spreads reusable methods/state values into the former. However, this pattern does not really play well with Single File Components, and I have not seen many developers adopt HOCs in Vue....
Lifecycle Hooks: You can define lifecycle logic using composition functions such as onMounted, onUpdated, and onUnmounted, which replaces the traditional lifecycle hooks in the options API. Composition Utilities: Vue provides a set of built-in composition utilities, such as ref, reactive, computed, ...
What is NodeJS(学习过程) 为什么要学习node。首先是听说了这个和前后端分离有很大的关系。node作为一个基础的技术,需要提前学习。学习node,不打算直接先跟着视频去学习老师们的课程。因为想自己找到一种适合自己的学习方法。之前张龙老师的所有课程,都是根据所有技术的官方文档进行讲解的。我们为什么不可以直接在node...