JSFiddle - React, Tailwind, and code Playground
HTML
<input type="text" id="nums"/>
<input type="button" id="submit" value="submit"/>
<p></p>
JavaScript
$("document").ready(function() {
$("#submit").click(function() {
var nums = $("#nums").val();
var numsf = nums.split(',');
var evens = [];
$.each(numsf,function(i, _this){
if (parseInt(_this) % 2 == 0)
evens.push(_this);
});
var res = evens.toString();
$("p").append(res + "<br>");
});
});