> For the complete documentation index, see [llms.txt](https://learnmagento.gitbook.io/vuejs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://learnmagento.gitbook.io/vuejs/ep16-09-theo-doi-su-thay-doi-cua-params-tren-routes-vue.js-ok.md).

# 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="/files/nRU0TaYXTTmivXqmAJp1" alt=""><figcaption></figcaption></figure> <figure><img src="/files/LyMdciSilCS0ENu42DCS" alt=""><figcaption></figcaption></figure></div>