JSFiddle - React, Tailwind, and code Playground

by Mi_Creativity

HTML

<form action="" id="theform">
  <input type="text" id="theField" name="theField">
  <button id="theBtn">Submit</button>
</form>

JavaScript

$('#theField').on('keypress input', function(){
	var value = $(this).val();
  value = value.replace(/\D+/, '');
  $(this).val(value);
})