JSFiddle - React, Tailwind, and code Playground

by mrobin

HTML

<input class="span4 input-big" id="dare_price" name="price" size="30" type="text" onChange="updatePrice()" />
<input class="span4 input-big" id="total_price_amount" readonly="readonly" value=""/>

JavaScript

$("#dare_price").change(function(){
    
    var price = Number($(this).val());
    var total = (price + 1) * 1.05;
    $("#total_price_amount").val(total);
});



function updatePrice(val)
{
    $("#dare_price").val(val);
    $("#dare_price").trigger('change');
}

updatePrice(2);