How to change the query string using useRouter in NuxtJS

If you use NuxtJS, you can learn how to use the useRouter hook to change the query string. For example, the query string in the address bar will only be changed as follows.Before) https://webisfree.com/?category=vuejsAfter) https://webisfree.com/?category=nuxtjsBy the way, when it is necessary to change the query strin...