JSFiddle - React, Tailwind, and code Playground

HTML

<p>Trying to round 1.005. Result should be 1.01</p>
<p>
    <div>10</div>
    <div class="result1">Result: </div>
</p>
<p>
    <div>1.7777777</div>
    <div class="result2">Result: </div>
</p>
<p>
    <div>9.1</div>
    <div class="result3">Result: </div>
</p>
<p>
    <div>1.005</div>
    <div class="result4">Result: </div>
</p>

JavaScript

var round = Math.round;
Math.round = function (value, decimals) {
  decimals = decimals || 0;
  return Number(round(value + 'e' + decimals) + 'e-' + decimals);
}
$('.result1').append(Math.round(10, 2));
$('.result2').append(Math.round(1.7777777, 2));
$('.result3').append(Math.round(9.1, 2));
$('.result4').append(Math.round(1.005, 2));