feat: Add Vue3 exercises and interview plan

- Introduced Vue3 exercises covering composable API, reactivity, lifecycle hooks, and built-in components. - Added structured interview plan for frontend candidates focusing on HTML, CSS, JavaScript, TypeScript, and Vue. - Included starter files for each exercise and detailed README documentation for guidance.
2026-03-24 23:02:58 +08:00
parent 3435848495
commit d0d8be443b
41 changed files with 1551 additions and 5 deletions
--- a/08-vue3/03-watch-and-watch-effect/README.md
+++ b/08-vue3/03-watch-and-watch-effect/README.md
@@ -0,0 +1,23 @@
+# 练习 3：watch 和 watchEffect
+
+## 目标
+
+学会区分“监听指定数据变化”和“自动收集依赖并执行副作用”。
+
+## 你要练什么
+
+- `watch`
+- `watchEffect`
+- 搜索关键字监听
+- 副作用日志
+
+## 任务
+
+- 输入关键字时，用 `watch` 输出变化日志
+- 用 `watchEffect` 输出当前筛选信息
+- 根据关键字过滤课程列表
+
+## 文件
+
+- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/03-watch-and-watch-effect/starter.html)
+- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/03-watch-and-watch-effect/starter.js)
--- a/08-vue3/03-watch-and-watch-effect/starter.html
+++ b/08-vue3/03-watch-and-watch-effect/starter.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>watch 和 watchEffect</title>
+    <style>
+      body { margin: 0; padding: 32px; font-family: "PingFang SC", sans-serif; background: #f7f9fd; }
+      .panel { max-width: 760px; margin: 0 auto; padding: 24px; border-radius: 18px; background: #fff; border: 1px solid #d9e2f0; }
+      input { width: 100%; padding: 12px; border-radius: 12px; border: 1px solid #ccd7e9; }
+    </style>
+  </head>
+  <body>
+    <section id="app" class="panel">
+      <h1>课程搜索</h1>
+      <input v-model="keyword" type="text" placeholder="输入关键字" />
+      <ul>
+        <li v-for="item in filteredCourses" :key="item.id">{{ item.title }}</li>
+      </ul>
+    </section>
+
+    <script src="https://cdn.jsdelivr.net/npm/vue@3/dist/vue.global.js"></script>
+    <script src="./starter.js"></script>
+  </body>
+</html>
--- a/08-vue3/03-watch-and-watch-effect/starter.js
+++ b/08-vue3/03-watch-and-watch-effect/starter.js
@@ -0,0 +1,30 @@
+const { createApp, ref, computed, watch, watchEffect } = Vue;
+
+createApp({
+  setup() {
+    const keyword = ref("");
+    const courses = ref([
+      { id: 1, title: "ref 和 reactive" },
+      { id: 2, title: "watch 和 watchEffect" },
+      { id: 3, title: "组件通信" },
+    ]);
+
+    const filteredCourses = computed(() => {
+      // 任务：根据 keyword 过滤课程
+      return courses.value;
+    });
+
+    watch(keyword, (newValue, oldValue) => {
+      // 任务：输出关键字变化日志
+    });
+
+    watchEffect(() => {
+      // 任务：输出当前筛选后的数量
+    });
+
+    return {
+      keyword,
+      filteredCourses,
+    };
+  },
+}).mount("#app");