JSFiddle - React, Tailwind, and code Playground
by flowerking
HTML
<html>
<input name="currency1" class="currency"/>
<input name="currency2" class="currency"/>
</html>
JavaScript
(function(){
var ZERO = 0;
var currency= $(".currency").val();
if(currency=== '' || currency.length === 0){
$(".currency").val(ZERO.toFixed(2));
}
else if(currency!== '' || currency.length !== 0){
$(".currency").val();
}
}());