JSFiddle - React, Tailwind, and code Playground

HTML

<input type="radio" name="group_1" checked/>
<input type="radio" name="group_1" />
<input type="radio" name="group_1" />
<input type="radio" name="group_1" />

JavaScript

function Check_next() {
	    var wanted = document.getElementsByName("group_1"); /* "wanted" is an array from this point */
	    for (var i = 0; i < wanted.length; ++i) {
	        if (wanted[i].checked == true) {
	            if (i == wanted.length - 1) /* If the last radio is selected */
	            {
	                document.getElementsByName("group_1")[0].checked = true;
	            } else {
	                document.getElementsByName("group_1")[i + 1].checked = true;
	            }
	            break;
	        }
	    }


	}

	setInterval(function () {
	    Check_next()
	}, 1000)