JSFiddle - React, Tailwind, and code Playground

by Comatose

HTML

<select name="charhgmo" id="charmonth" onChange="chday(this.value);">
  <option value="" selected="true" disabled>Birth Month</option>
  <option value="jan">January</option>
  <option value="feb">Febuary</option>
  <option value="mar">March</option>
  <option value="apr">April</option>
  <option value="may">May</option>
  <option value="jun">June</option>
  <option value="jul">July</option>
  <option value="aug">August</option>
  <option value="sept">September</option>
  <option value="oct">October</option>
  <option value="nov">November</option>
  <option value="sept">December</option>
</select>

<select name="charhgdy" id="charday">
  <option value="" selected="true" disabled>Birth Day</option>
</select>

JavaScript

var even = 30;
	var odd = 31;
	var feb = 29;

	function chday(value){
		if()
			
	}