https://www.gscnc.org/etc.clientlibs/gsusafoundation/components/forms/recaptcha-v2/clientlibs.min.js

1$(document).ready(function () {
2    const recaptchaError = localStorage.getItem("recaptchaError");
3    if(recaptchaError) {
4		$("#recaptcha-error").show();
5        localStorage.removeItem("recaptchaError");
6    }
7    function timestamp() {
8        var response = document.getElementById("g-recaptcha-response");
9        if (response == null || response.value.trim() == "") {
10          for(let i=0;i<document.getElementsByName("captcha_settings").length;i++) {
11            var elems = JSON.parse(document.getElementsByName("captcha_settings")[i].value);
12            elems["ts"] = JSON.stringify(new Date().getTime());
13            document.getElementsByName("captcha_settings")[i].value = JSON.stringify(elems);
14          }
15        }
16    } setInterval(timestamp, 500);
17
18    $("input[type='submit']").bind("click",function(e){
19      var response = grecaptcha.getResponse();
20      if(response.length == 0) {
21        localStorage.setItem("recaptchaError", true);
22        e.preventDefault();
23        return false;
24      }
25    });
26});