JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" id="month1" value="11"><input type="text" id="year1" value="1988"> <br />
<input type="text" id="month2" value="03"><input type="text" id="year2" value="2010"> <br />

<input type="submit" id="show">

JavaScript

$("#show").click(function(){
  var m1 = $("#month1").val();
  var m2 = $("#month2").val();
  var y1 = $("#year1").val();
  var y2 = $("#year2").val();
    
  var result = 'result';
})