JSFiddle - React, Tailwind, and code Playground
by Rufuus06
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>toPrecision()</title>
</head>
<body>
<h2>toPrecision():</h2>
<p>Devuelve un String, con un numero con una longitud especifica.</p>
<p id="exp"></p>
</body>
</html>
JavaScript
var x = 9.548;
document.getElementById("exp").innerHTML =
x.toPrecision() + " - (vacio)<br>" +
x.toPrecision(2) + " - (2)<br>" +
x.toPrecision(10) + " - (10)";