Change URL with help of javascript

http://localhost/test.php

<button onclick="changeUrl()" id="content" >Change URL</button>

<script>
  const data = ["Rose", "Daisy", "Lily", "Sunflower", "Tulip", "Peony", "Marigold", "Carnation", "Orchid", "Hibiscus", "Poppy", "Chrysanthemum", "Hydrangea", "Jasmine", "Daffodil", "Iris", "Pansy", "Zinnia", "Petunia", "Aster"];

function changeUrl(){
  var item = data[Math.floor(Math.random()*data.length)];
  open_url_wo_refresh("/youneed_flower/"+item);
}

function open_url_wo_refresh(new_url) {
     window.history.pushState({},"", new_url);
}
</script>

when you click on change url the output