how to not add id to url when click

1//Get all the hyperlink elements
2var links = document.getElementsByTagName("a");
3
4//Browse the previously created array
5Array.prototype.forEach.call(links, function(elem, index) {
6  //Get the hyperlink target and if it refers to an id go inside condition
7  var elemAttr = elem.getAttribute("href");
8  if(elemAttr && elemAttr.includes("#")) {
9    //Replace the regular action with a scrolling to target on click
10    elem.addEventListener("click", function(ev) {
11      ev.preventDefault();
12      //Scroll to the target element using replace() and regex to find the href's target id
13      document.getElementById(elemAttr.replace(/#/g, "")).scrollIntoView({
14          behavior: "smooth",
15          block: "start",
16          inline: "nearest"
17          });
18    });
19  }
20});
21