JSFiddle - React, Tailwind, and code Playground

HTML

<div id="log"></div>

JavaScript

function floatToString(number, presition) {
    if(!isNaN(parseInt(presition,10)) && !isNaN(parseFloat(number))) {
        return number.toFixed(presition).toString();
    } else {
        return NaN;
    }
}

var log = document.getElementById('log');
log.innerHTML =  log.innerHTML + floatToString(575.000, 3) + '<br />';
log.innerHTML =  log.innerHTML + floatToString(575.240, 3) + '<br />';
log.innerHTML =  log.innerHTML + floatToString(575.100, 3) + '<br />';
log.innerHTML =  log.innerHTML + floatToString(575.333, 3) + '<br />';
log.innerHTML =  log.innerHTML + floatToString(575.020, 3) + '<br />';
log.innerHTML =  log.innerHTML + floatToString(575.101, 3) + '<br />';
log.innerHTML =  log.innerHTML + floatToString(575.003, 3) + '<br />';