JSFiddle - React, Tailwind, and code Playground

by kuroir

HTML

<input value="">

JavaScript

function frmtCurrency(ele,price) {
    // round the currency to the nearest .05
    price = parseFloat(price);
    if(isNaN(price)) { price = 0 }
    price *= 2.0;
    price = price.toFixed(1) / 2.0;
    price = price.toFixed(2);
    ele.val(price);
}

frmtCurrency($('input'), '');