JSFiddle - React, Tailwind, and code Playground

HTML

<div id="content"></div>

JavaScript

function print_value(value) {
    var element = document.createElement('div');
    
    var html = 'Valor: ' + value + '<br>';
    html += 'Math.floor: ' + Math.floor(value) + '<br>';
    html += 'Math.ceil: ' + Math.ceil(value) + '<br>';
    html += 'Math.round: ' + Math.round(value) + '<br>';
    html += 'Math.trunc: ' + Math.trunc(value) + '<br>';
    html += 'Int trunc: ' + (value|0) + '<br>';
    html += '<hr>';
    
    element.innerHTML = html;
    document.getElementById('content').appendChild(element);
}

print_value(1 / 0);
print_value(-1 / 0);
print_value(0 / 0);