Programmatic Navigation using Vue Router 4

// router/index.js
import { createRouter, createWebHistory } from 'vue-router';
import Home from '../views/Home.vue';

const routes = [
  { path: '/', name: 'Home', component: Home },
  { path: '/about', name: 'About', component: () => import('../views/About.vue') },
  { path: '/dashboard', name: 'Dashboard', component: () => import('../views/Dashboard.vue') }
];

const router = createRouter({
  history: createWebHistory(),
  routes
});

export default router;

// main.js
import { createApp } from 'vue';
import App from './App.vue';
import router from './router';

const app = createApp(App);
app.use(router);
app.mount('#app');

// MyComponent.vue
<template>
  <div>
    <button @click="goToAbout">Go to About Page (push)</button>
    <button @click="replaceWithDashboard">Replace with Dashboard</button>
    <button @click="goBack">Go Back</button>
    <button @click="goToUserDetail(123)">Go to User 123</button>
  </div>
</template>

<script setup>
import { useRouter } from 'vue-router';

const router = useRouter();

const goToAbout = () => {
  router.push('/about');
  // router.push({ name: 'About' }); // Alternative using named route
};

const replaceWithDashboard = () => {
  // Replaces current entry in history stack, so 'back' won't go to previous page.
  router.replace({ name: 'Dashboard' });
};

const goBack = () => {
  router.go(-1); // Same as router.back()
};

const goToUserDetail = (userId) => {
  router.push({
    path: `/users/${userId}`,
    // Optional: Pass query parameters or hash
    query: { referrer: 'home' },
    hash: '#profile'
  });
};
</script>