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<p>I'm creating a filter header in Vue 3 where you can select a category to view, so you can click on a switch to toggle the filter and if you click on another category it will deselect the previous activity Categories, there can only be one or no active categories at a time. </p> <p>I found some examples, like this jsfiddle, which doesn't have a toggle button (click again to deselect) and doesn't use a v-for loop. I'm fairly confident I can convert this into a v-for loop, but I don't know how to easily do the switching and having only one active category at a time. </p> <p>This is my basic code: </p> <pre class="brush:html;toolbar:false;"><button v-for="category in contentCategories" @click="" class="filter-button" > {{ category }} </button> </pre> <pre class="brush:js;toolbar:false;">const contentCategories = ["category 1", "category 2", "category 3"]; let list = contentStore.resources; const activeCategory = ""; const filteredList = list .filter((e) => e.category === activeCategory) .map((e) => { return e; }); </pre> <p>The behavior I think I need is to store the active category in the <code>activeCategory</code> string and apply the active label to the corresponding button and then be able to remove it if the active button is clicked again The <code>activeCategory</code>, or changes the <code>activeCategory</code> if a different button is clicked. </p> <p>I'm sorry if this is a simple solution as I'm very new to Vue. Thanks! </p>

const selectedCategory = ref("")
const contentCategories = ref(["category 1", "category 2", "category 3"]);

<button
  v-for="category in contentCategories"
  @click="handleClick(category)"
  :class="selectedCategory === category ? 'active' : 'inactive'"
  :key="category"
>
  {{ category }}
</button>

handleClick(category) {
   selectedCategory.value = category
|

const contentCategories = ref([
  {
    name: "Category 1",
    active: false
  },
  ...
]);

<button
  v-for="category in contentCategories"
  @click="handleClick(category)"
  :class="category.active ? 'active' : 'inactive'"
  :key="category"
>
  {{ category }}
</button>

handleClick(category) {
   找到類別然后設(shè)置 active = !active，關(guān)閉其他類別
|