# Ep16#09 - Theo dõi sự thay đổi của params trên routes Vue.js (ok)

C:\Users\Administrator\Desktop\imoney\src\App.vue

```javascript
<template>
  <div id="app">
      <p>App</p>
      <router-link to="/">Home</router-link> |
      <router-link to="/about">About</router-link>
      <router-link to="/detail/1">Detail 1</router-link>
      <router-link to="/detail/2">Detail 2</router-link>
      <router-view></router-view>
  </div>
</template>
<script>
  export default {
    methods: {
    },
  }
</script>
<style>
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
}
nav {
  padding: 30px;
}
nav a {
  font-weight: bold;
  color: #2c3e50;
}
nav a.router-link-exact-active {
  color: #42b983;
}
</style>

```

C:\Users\Administrator\Desktop\imoney\src\main.js

```javascript
import Vue from 'vue'
import App from './App.vue'
import router from './router'
var VueResource = require('vue-resource');
Vue.use(VueResource);
new Vue({
  router,
  render: h => h(App)
}).$mount('#app')
```

C:\Users\Administrator\Desktop\imoney\src\router\index.js

```javascript
import Vue from 'vue'
import VueRouter from 'vue-router'
import HomeView from '../views/HomeView.vue'
import AboutView from '../views/AboutView.vue'
import DetailView from '../views/DetailView.vue'
Vue.use(VueRouter)
const routes = [
  {
    path: '/',
    name: 'home',
    component: HomeView
  },
  {
    path: '/about',
    name: 'about',
    component: AboutView
  },
  {
    path: '/detail/:id',
    name: 'detail',
    component: DetailView
  },
]
const router = new VueRouter({
  mode: 'history',
  base: process.env.BASE_URL,
  routes
})
export default router

```

C:\Users\Administrator\Desktop\imoney\src\views\DetailView\.vue

```html
<template>
  <div class="about">
    <p>aaaaaa1</p>
    <h1>{{ id }}</h1>
  </div>
</template>
<script>
export default {
  data() {
    return {
      id: this.$route.params.id
    }
  },
  watch: {
    '$route'(to, from) {
      this.id = to.params.id
    }
  }
}
</scriptj
```

C:\Users\Administrator\Desktop\imoney\package.json

```javascript
{
  "name": "imoney",
  "version": "0.1.0",
  "private": true,
  "scripts": {
    "serve": "vue-cli-service serve",
    "build": "vue-cli-service build"
  },
  "dependencies": {
    "core-js": "^3.8.3",
    "vue": "^2.6.14",
    "vue-resource": "^1.5.3",
    "vue-router": "^3.5.1"
  },
  "devDependencies": {
    "@vue/cli-plugin-babel": "~5.0.0",
    "@vue/cli-plugin-router": "~5.0.0",
    "@vue/cli-service": "~5.0.0",
    "vue-template-compiler": "^2.6.14"
  }
}

```

<div><figure><img src="https://2312674349-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MeXbfPqPP3ZSJVavefR%2Fuploads%2FwUyTylFQ2GW3whWxoASu%2FScreenshot_1.png?alt=media&#x26;token=7c1532ed-2537-4ae0-9da6-7ce0b77228f9" alt=""><figcaption></figcaption></figure> <figure><img src="https://2312674349-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MeXbfPqPP3ZSJVavefR%2Fuploads%2F8B6Nc1eBul4Vyo0nELXO%2FScreenshot_2.png?alt=media&#x26;token=5403d399-c83f-4a67-9055-c51b0fbc7530" alt=""><figcaption></figcaption></figure></div>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://learnmagento.gitbook.io/vuejs/ep16-09-theo-doi-su-thay-doi-cua-params-tren-routes-vue.js-ok.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.