JSFiddle - React, Tailwind, and code Playground

by samgu

JavaScript

arrondi = 158.5546546546546897984651651651651

function toFixed(num, fixed) {
    var re = new RegExp('^-?\\d+(?:\.\\d{0,' + (fixed || -1) + '})?');
    return num.toString().match(re)[0];
}

arrondi = toFixed(arrondi, 2);
arrondi = parseFloat(arrondi);

alert( arrondi );