A Guide to Getting URL Parameters in Vue.js

Vue.js is a popular JavaScript framework that simplifies the process of building dynamic web applications. One common task when developing web applications is extracting and working with URL parameters. URL parameters provide a way to pass data between different parts of your application or to retrieve information from the URL itself. In this article, we will explore how to get URL parameters in Vue.js.

Why Get URL Parameters?

URL parameters are essential for many web applications, especially those with dynamic content or user-specific features. Here are a few scenarios where you might need to extract URL parameters:

  1. Filtering and Sorting: You can use URL parameters to filter or sort data displayed on a page. For example, in an e-commerce application, you can pass parameters like ?category=electronics or ?sort=price to show specific product categories or sort products by price.
  2. User Profiles: When building user profile pages, you can pass the user’s ID in the URL as a parameter, such as ?user=123. This allows you to fetch and display user-specific information.
  3. Navigation: URL parameters can also be used for navigation within your application. For instance, clicking on a link that includes parameters can take the user to a specific section or page.

Getting URL Parameters in Vue.js

To get URL parameters in Vue.js, you can utilize the vue-router library, which is the official routing library for Vue. Here’s a step-by-step guide on how to do it:

  1. Install and Configure vue-router: If you haven’t already, install the vue-router package in your Vue.js project:
npm install vue-router

Next, configure it by creating a router instance and setting up your routes in your Vue application.

  1. Accessing URL Parameters: To access URL parameters in your Vue components, you can use the this.$route.query object. Here’s an example of how to retrieve a parameter called “id” from the URL:
    <p>Product ID: {{ productId }}</p>

<scr ipt>
export default {
  data() {
    return {
      productId: null,
  created() {
    this.productId = this.$route.query.id;
</scr ipt>

In this example, we retrieve the “id” parameter from the URL and store it in the productId data property.

  1. Using URL Parameters: You can now use the retrieved URL parameters in your component logic. For instance, you can make an API request using the parameter value or use it to conditionally render content.

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