how to insert url without refreshing page code example

Example 1: change href without reloading page js

// Current URL: https://my-website.com/page_a
const nextURL = 'https://my-website.com/page_b';
const nextTitle = 'My new page title';
const nextState = { additionalInformation: 'Updated the URL with JS' };

// This will create a new entry in the browser's history, without reloading
window.history.pushState(nextState, nextTitle, nextURL);

// This will replace the current entry in the browser's history, without reloading
window.history.replaceState(nextState, nextTitle, nextURL)

Example 2: change url without reloading

function processAjaxData(response, urlPath){
     document.getElementById("content").innerHTML = response.html;
     document.title = response.pageTitle;
     window.history.pushState({"html":response.html,"pageTitle":response.pageTitle},"", urlPath);
 }