https://investmentasia.net/themes/custom/responsive/js/material-input.js?v=1.1.0

1(($, Drupal) => {
2  "use strict";
3
4  function materialInput() {
5    if ($(".material-input").length > 0) {
6      $(".material-input").each(function () {
7        var $this = $(this);
8        if ($this.val() === "") {
9          $this.removeClass("is-completed");
10          $this.removeClass("is-active");
11        } else {
12          $this.addClass("is-completed");
13          $this.addClass("is-active");
14        }
15        $(this).focus(function () {
16          $this.addClass("is-active is-completed");
17        });
18
19        $(this).focusout(function () {
20          if ($this.val() === "") {
21            $this.removeClass("is-completed");
22            $this.removeClass("is-active");
23          }
24        });
25      });
26    }
27  }
28
29  $(window).on("load", function () {
30    materialInput();
31  });
32})(jQuery, Drupal);