JSFiddle - React, Tailwind, and code Playground

by hicurin

HTML

<input id="rate_ts" value="10.3"/>
<input id="discount" value="4.5"/>
<input id="ocharge" value="3"/>
<input id="pay_amt" value="4"/>
<input id="net_amt" value=""/>

JavaScript

function sum() {
     a = Number(document.getElementById("rate_ts").value);
     b = Number(document.getElementById("discount").value);
     c = Number(a) - (Number(a) * Number(b) / 100);
     d = Number(document.getElementById("ocharge").value) + c + Number(document.getElementById("pay_amt").value);
     tax = (Number(a) * parseFloat(12.36) / 100);
     e = tax + d;
     document.getElementById("net_amt").value = e;
 }
sum();